Loans and Allowance for Credit Losses on Loans - Loans by Investment Grade (Details) - USD ($) $ in Thousands |
9 Months Ended |
12 Months Ended |
Sep. 30, 2024 |
Sep. 30, 2023 |
Dec. 31, 2023 |
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| Financing receivable, excluding accrued interest, year one, originated, current fiscal year |
$ 1,455,733
|
|
$ 2,183,954
|
| Financing receivable, excluding accrued interest, year two, originated, fiscal year before current fiscal year |
2,162,639
|
|
3,497,551
|
| Financing receivable, excluding accrued interest, year three, originated, two years before current fiscal year |
3,470,100
|
|
1,490,895
|
| Financing receivable, excluding accrued interest, year four, originated, three years before current fiscal year |
1,373,941
|
|
657,182
|
| Financing receivable, excluding accrued interest, year five, originated, four years before current fiscal year |
472,492
|
|
524,006
|
| Financing receivable, excluding accrued interest, originated, more than five years before current fiscal year |
1,176,900
|
|
893,218
|
| Revolving lines of credit |
12,236,841
|
|
11,129,125
|
| Revolving lines of credit converted to term loans |
32,596
|
|
44,885
|
| Total |
22,381,242
|
|
20,420,816
|
| Financing receivable, excluding accrued interest, year one, originated, current fiscal year, writeoff |
0
|
|
8,364
|
| Financing receivable, excluding accrued interest, year two, originated, fiscal year before current fiscal year, writeoff |
7,542
|
|
5,090
|
| Financing receivable, excluding accrued interest, year three, originated, two years before current fiscal year, writeoff |
550
|
|
25,578
|
| Financing receivable, excluding accrued interest, year four, originated, three years before current fiscal year, writeoff |
3,775
|
|
0
|
| Financing receivable, excluding accrued interest, year five, originated, four years before current fiscal year, writeoff |
0
|
|
15,243
|
| Financing receivable, excluding accrued interest, originated, more than five years before current fiscal year, writeoff |
7,212
|
|
883
|
| Revolving lines of credit, writeoff |
10,266
|
|
698
|
| Revolving line of credit converted to term loans, writeoff |
44
|
|
871
|
| Financing receivable, excluding accrued interest, allowance for credit loss, writeoff |
29,389
|
$ 42,871
|
56,727
|
| Commercial |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| Financing receivable, excluding accrued interest, year one, originated, current fiscal year |
1,227,534
|
|
1,590,277
|
| Financing receivable, excluding accrued interest, year two, originated, fiscal year before current fiscal year |
1,283,909
|
|
1,612,768
|
| Financing receivable, excluding accrued interest, year three, originated, two years before current fiscal year |
1,540,404
|
|
324,559
|
| Financing receivable, excluding accrued interest, year four, originated, three years before current fiscal year |
367,783
|
|
165,616
|
| Financing receivable, excluding accrued interest, year five, originated, four years before current fiscal year |
92,219
|
|
158,204
|
| Financing receivable, excluding accrued interest, originated, more than five years before current fiscal year |
229,599
|
|
179,111
|
| Revolving lines of credit |
6,213,594
|
|
6,363,562
|
| Revolving lines of credit converted to term loans |
12,765
|
|
16,669
|
| Total |
10,967,807
|
|
10,410,766
|
| Financing receivable, excluding accrued interest, allowance for credit loss, writeoff |
23,661
|
42,830
|
|
| Commercial | Pass |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| Financing receivable, excluding accrued interest, year one, originated, current fiscal year |
1,206,729
|
|
1,546,257
|
| Financing receivable, excluding accrued interest, year two, originated, fiscal year before current fiscal year |
1,189,307
|
|
1,408,672
|
| Financing receivable, excluding accrued interest, year three, originated, two years before current fiscal year |
1,330,253
|
|
279,266
|
| Financing receivable, excluding accrued interest, year four, originated, three years before current fiscal year |
336,556
|
|
144,699
|
| Financing receivable, excluding accrued interest, year five, originated, four years before current fiscal year |
90,941
|
|
142,301
|
| Financing receivable, excluding accrued interest, originated, more than five years before current fiscal year |
194,600
|
|
157,808
|
| Revolving lines of credit |
5,939,588
|
|
6,284,464
|
| Revolving lines of credit converted to term loans |
12,458
|
|
16,580
|
| Total |
10,300,432
|
|
9,980,047
|
| Commercial | Special mention |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| Financing receivable, excluding accrued interest, year one, originated, current fiscal year |
20,805
|
|
22,148
|
| Financing receivable, excluding accrued interest, year two, originated, fiscal year before current fiscal year |
39,957
|
|
118,991
|
| Financing receivable, excluding accrued interest, year three, originated, two years before current fiscal year |
146,912
|
|
35,619
|
| Financing receivable, excluding accrued interest, year four, originated, three years before current fiscal year |
22,833
|
|
285
|
| Financing receivable, excluding accrued interest, year five, originated, four years before current fiscal year |
40
|
|
823
|
| Financing receivable, excluding accrued interest, originated, more than five years before current fiscal year |
6,754
|
|
13,385
|
| Revolving lines of credit |
197,723
|
|
40,647
|
| Revolving lines of credit converted to term loans |
0
|
|
89
|
| Total |
435,024
|
|
231,987
|
| Commercial | Substandard - accruing |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| Financing receivable, excluding accrued interest, year one, originated, current fiscal year |
0
|
|
12,477
|
| Financing receivable, excluding accrued interest, year two, originated, fiscal year before current fiscal year |
45,275
|
|
50,876
|
| Financing receivable, excluding accrued interest, year three, originated, two years before current fiscal year |
60,646
|
|
9,334
|
| Financing receivable, excluding accrued interest, year four, originated, three years before current fiscal year |
8,107
|
|
18,547
|
| Financing receivable, excluding accrued interest, year five, originated, four years before current fiscal year |
341
|
|
0
|
| Financing receivable, excluding accrued interest, originated, more than five years before current fiscal year |
3,435
|
|
78
|
| Revolving lines of credit |
28,734
|
|
38,372
|
| Revolving lines of credit converted to term loans |
0
|
|
0
|
| Total |
146,538
|
|
129,684
|
| Commercial | Non-accrual |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| Financing receivable, excluding accrued interest, year one, originated, current fiscal year |
0
|
|
9,395
|
| Financing receivable, excluding accrued interest, year two, originated, fiscal year before current fiscal year |
9,370
|
|
34,229
|
| Financing receivable, excluding accrued interest, year three, originated, two years before current fiscal year |
2,593
|
|
340
|
| Financing receivable, excluding accrued interest, year four, originated, three years before current fiscal year |
287
|
|
2,085
|
| Financing receivable, excluding accrued interest, year five, originated, four years before current fiscal year |
897
|
|
15,080
|
| Financing receivable, excluding accrued interest, originated, more than five years before current fiscal year |
24,810
|
|
7,840
|
| Revolving lines of credit |
47,549
|
|
79
|
| Revolving lines of credit converted to term loans |
307
|
|
0
|
| Total |
85,813
|
|
69,048
|
| Mortgage finance |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| Financing receivable, excluding accrued interest, year one, originated, current fiscal year |
0
|
|
0
|
| Financing receivable, excluding accrued interest, year two, originated, fiscal year before current fiscal year |
0
|
|
0
|
| Financing receivable, excluding accrued interest, year three, originated, two years before current fiscal year |
0
|
|
0
|
| Financing receivable, excluding accrued interest, year four, originated, three years before current fiscal year |
0
|
|
0
|
| Financing receivable, excluding accrued interest, year five, originated, four years before current fiscal year |
0
|
|
0
|
| Financing receivable, excluding accrued interest, originated, more than five years before current fiscal year |
0
|
|
0
|
| Revolving lines of credit |
5,529,659
|
|
3,978,328
|
| Revolving lines of credit converted to term loans |
0
|
|
0
|
| Total |
5,529,659
|
|
3,978,328
|
| Financing receivable, excluding accrued interest, allowance for credit loss, writeoff |
0
|
0
|
|
| Mortgage finance | Pass |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| Financing receivable, excluding accrued interest, year one, originated, current fiscal year |
0
|
|
0
|
| Financing receivable, excluding accrued interest, year two, originated, fiscal year before current fiscal year |
0
|
|
0
|
| Financing receivable, excluding accrued interest, year three, originated, two years before current fiscal year |
0
|
|
0
|
| Financing receivable, excluding accrued interest, year four, originated, three years before current fiscal year |
0
|
|
0
|
| Financing receivable, excluding accrued interest, year five, originated, four years before current fiscal year |
0
|
|
0
|
| Financing receivable, excluding accrued interest, originated, more than five years before current fiscal year |
0
|
|
0
|
| Revolving lines of credit |
5,529,659
|
|
3,978,328
|
| Revolving lines of credit converted to term loans |
0
|
|
0
|
| Total |
5,529,659
|
|
3,978,328
|
| Mortgage finance | Special mention |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| Financing receivable, excluding accrued interest, year one, originated, current fiscal year |
0
|
|
0
|
| Financing receivable, excluding accrued interest, year two, originated, fiscal year before current fiscal year |
0
|
|
0
|
| Financing receivable, excluding accrued interest, year three, originated, two years before current fiscal year |
0
|
|
0
|
| Financing receivable, excluding accrued interest, year four, originated, three years before current fiscal year |
0
|
|
0
|
| Financing receivable, excluding accrued interest, year five, originated, four years before current fiscal year |
0
|
|
0
|
| Financing receivable, excluding accrued interest, originated, more than five years before current fiscal year |
0
|
|
0
|
| Revolving lines of credit |
0
|
|
0
|
| Revolving lines of credit converted to term loans |
0
|
|
0
|
| Total |
0
|
|
0
|
| Mortgage finance | Substandard - accruing |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| Financing receivable, excluding accrued interest, year one, originated, current fiscal year |
0
|
|
0
|
| Financing receivable, excluding accrued interest, year two, originated, fiscal year before current fiscal year |
0
|
|
0
|
| Financing receivable, excluding accrued interest, year three, originated, two years before current fiscal year |
0
|
|
0
|
| Financing receivable, excluding accrued interest, year four, originated, three years before current fiscal year |
0
|
|
0
|
| Financing receivable, excluding accrued interest, year five, originated, four years before current fiscal year |
0
|
|
0
|
| Financing receivable, excluding accrued interest, originated, more than five years before current fiscal year |
0
|
|
0
|
| Revolving lines of credit |
0
|
|
0
|
| Revolving lines of credit converted to term loans |
0
|
|
0
|
| Total |
0
|
|
0
|
| Mortgage finance | Non-accrual |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| Financing receivable, excluding accrued interest, year one, originated, current fiscal year |
0
|
|
0
|
| Financing receivable, excluding accrued interest, year two, originated, fiscal year before current fiscal year |
0
|
|
0
|
| Financing receivable, excluding accrued interest, year three, originated, two years before current fiscal year |
0
|
|
0
|
| Financing receivable, excluding accrued interest, year four, originated, three years before current fiscal year |
0
|
|
0
|
| Financing receivable, excluding accrued interest, year five, originated, four years before current fiscal year |
0
|
|
0
|
| Financing receivable, excluding accrued interest, originated, more than five years before current fiscal year |
0
|
|
0
|
| Revolving lines of credit |
0
|
|
0
|
| Revolving lines of credit converted to term loans |
0
|
|
0
|
| Total |
0
|
|
0
|
| Commercial real estate |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| Financing receivable, excluding accrued interest, year one, originated, current fiscal year |
193,654
|
|
561,801
|
| Financing receivable, excluding accrued interest, year two, originated, fiscal year before current fiscal year |
849,989
|
|
1,828,358
|
| Financing receivable, excluding accrued interest, year three, originated, two years before current fiscal year |
1,875,955
|
|
1,088,240
|
| Financing receivable, excluding accrued interest, year four, originated, three years before current fiscal year |
929,319
|
|
444,143
|
| Financing receivable, excluding accrued interest, year five, originated, four years before current fiscal year |
333,574
|
|
351,661
|
| Financing receivable, excluding accrued interest, originated, more than five years before current fiscal year |
836,775
|
|
610,432
|
| Revolving lines of credit |
275,717
|
|
587,964
|
| Revolving lines of credit converted to term loans |
19,831
|
|
28,175
|
| Total |
5,314,814
|
|
5,500,774
|
| Financing receivable, excluding accrued interest, allowance for credit loss, writeoff |
5,698
|
0
|
|
| Commercial real estate | Pass |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| Financing receivable, excluding accrued interest, year one, originated, current fiscal year |
193,065
|
|
561,801
|
| Financing receivable, excluding accrued interest, year two, originated, fiscal year before current fiscal year |
844,988
|
|
1,689,325
|
| Financing receivable, excluding accrued interest, year three, originated, two years before current fiscal year |
1,751,369
|
|
1,042,953
|
| Financing receivable, excluding accrued interest, year four, originated, three years before current fiscal year |
913,488
|
|
419,703
|
| Financing receivable, excluding accrued interest, year five, originated, four years before current fiscal year |
333,252
|
|
317,480
|
| Financing receivable, excluding accrued interest, originated, more than five years before current fiscal year |
755,864
|
|
559,026
|
| Revolving lines of credit |
275,717
|
|
575,928
|
| Revolving lines of credit converted to term loans |
18,933
|
|
28,175
|
| Total |
5,086,676
|
|
5,194,391
|
| Commercial real estate | Special mention |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| Financing receivable, excluding accrued interest, year one, originated, current fiscal year |
589
|
|
0
|
| Financing receivable, excluding accrued interest, year two, originated, fiscal year before current fiscal year |
5,001
|
|
136,801
|
| Financing receivable, excluding accrued interest, year three, originated, two years before current fiscal year |
77,796
|
|
32,937
|
| Financing receivable, excluding accrued interest, year four, originated, three years before current fiscal year |
0
|
|
24,440
|
| Financing receivable, excluding accrued interest, year five, originated, four years before current fiscal year |
322
|
|
34,181
|
| Financing receivable, excluding accrued interest, originated, more than five years before current fiscal year |
59,922
|
|
22,833
|
| Revolving lines of credit |
0
|
|
7,895
|
| Revolving lines of credit converted to term loans |
898
|
|
0
|
| Total |
144,528
|
|
259,087
|
| Commercial real estate | Substandard - accruing |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| Financing receivable, excluding accrued interest, year one, originated, current fiscal year |
0
|
|
0
|
| Financing receivable, excluding accrued interest, year two, originated, fiscal year before current fiscal year |
0
|
|
2,232
|
| Financing receivable, excluding accrued interest, year three, originated, two years before current fiscal year |
44,607
|
|
0
|
| Financing receivable, excluding accrued interest, year four, originated, three years before current fiscal year |
15,831
|
|
0
|
| Financing receivable, excluding accrued interest, year five, originated, four years before current fiscal year |
0
|
|
0
|
| Financing receivable, excluding accrued interest, originated, more than five years before current fiscal year |
20,989
|
|
28,573
|
| Revolving lines of credit |
0
|
|
4,141
|
| Revolving lines of credit converted to term loans |
0
|
|
0
|
| Total |
81,427
|
|
34,946
|
| Commercial real estate | Non-accrual |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| Financing receivable, excluding accrued interest, year one, originated, current fiscal year |
0
|
|
0
|
| Financing receivable, excluding accrued interest, year two, originated, fiscal year before current fiscal year |
0
|
|
0
|
| Financing receivable, excluding accrued interest, year three, originated, two years before current fiscal year |
2,183
|
|
12,350
|
| Financing receivable, excluding accrued interest, year four, originated, three years before current fiscal year |
0
|
|
0
|
| Financing receivable, excluding accrued interest, year five, originated, four years before current fiscal year |
0
|
|
0
|
| Financing receivable, excluding accrued interest, originated, more than five years before current fiscal year |
0
|
|
0
|
| Revolving lines of credit |
0
|
|
0
|
| Revolving lines of credit converted to term loans |
0
|
|
0
|
| Total |
2,183
|
|
12,350
|
| Consumer |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| Financing receivable, excluding accrued interest, year one, originated, current fiscal year |
34,545
|
|
31,876
|
| Financing receivable, excluding accrued interest, year two, originated, fiscal year before current fiscal year |
28,741
|
|
56,425
|
| Financing receivable, excluding accrued interest, year three, originated, two years before current fiscal year |
53,741
|
|
78,096
|
| Financing receivable, excluding accrued interest, year four, originated, three years before current fiscal year |
76,839
|
|
47,423
|
| Financing receivable, excluding accrued interest, year five, originated, four years before current fiscal year |
46,699
|
|
14,141
|
| Financing receivable, excluding accrued interest, originated, more than five years before current fiscal year |
110,526
|
|
103,675
|
| Revolving lines of credit |
217,871
|
|
199,271
|
| Revolving lines of credit converted to term loans |
0
|
|
41
|
| Total |
568,962
|
|
530,948
|
| Financing receivable, excluding accrued interest, allowance for credit loss, writeoff |
30
|
$ 41
|
|
| Consumer | Pass |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| Financing receivable, excluding accrued interest, year one, originated, current fiscal year |
34,545
|
|
31,876
|
| Financing receivable, excluding accrued interest, year two, originated, fiscal year before current fiscal year |
28,741
|
|
56,425
|
| Financing receivable, excluding accrued interest, year three, originated, two years before current fiscal year |
53,741
|
|
78,096
|
| Financing receivable, excluding accrued interest, year four, originated, three years before current fiscal year |
76,839
|
|
47,423
|
| Financing receivable, excluding accrued interest, year five, originated, four years before current fiscal year |
46,699
|
|
14,141
|
| Financing receivable, excluding accrued interest, originated, more than five years before current fiscal year |
109,562
|
|
102,691
|
| Revolving lines of credit |
216,621
|
|
199,171
|
| Revolving lines of credit converted to term loans |
0
|
|
0
|
| Total |
566,748
|
|
529,823
|
| Consumer | Special mention |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| Financing receivable, excluding accrued interest, year one, originated, current fiscal year |
0
|
|
0
|
| Financing receivable, excluding accrued interest, year two, originated, fiscal year before current fiscal year |
0
|
|
0
|
| Financing receivable, excluding accrued interest, year three, originated, two years before current fiscal year |
0
|
|
0
|
| Financing receivable, excluding accrued interest, year four, originated, three years before current fiscal year |
0
|
|
0
|
| Financing receivable, excluding accrued interest, year five, originated, four years before current fiscal year |
0
|
|
0
|
| Financing receivable, excluding accrued interest, originated, more than five years before current fiscal year |
0
|
|
0
|
| Revolving lines of credit |
250
|
|
100
|
| Revolving lines of credit converted to term loans |
0
|
|
41
|
| Total |
250
|
|
141
|
| Consumer | Substandard - accruing |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| Financing receivable, excluding accrued interest, year one, originated, current fiscal year |
0
|
|
0
|
| Financing receivable, excluding accrued interest, year two, originated, fiscal year before current fiscal year |
0
|
|
0
|
| Financing receivable, excluding accrued interest, year three, originated, two years before current fiscal year |
0
|
|
0
|
| Financing receivable, excluding accrued interest, year four, originated, three years before current fiscal year |
0
|
|
0
|
| Financing receivable, excluding accrued interest, year five, originated, four years before current fiscal year |
0
|
|
0
|
| Financing receivable, excluding accrued interest, originated, more than five years before current fiscal year |
0
|
|
984
|
| Revolving lines of credit |
1,000
|
|
0
|
| Revolving lines of credit converted to term loans |
0
|
|
0
|
| Total |
1,000
|
|
984
|
| Consumer | Non-accrual |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| Financing receivable, excluding accrued interest, year one, originated, current fiscal year |
0
|
|
0
|
| Financing receivable, excluding accrued interest, year two, originated, fiscal year before current fiscal year |
0
|
|
0
|
| Financing receivable, excluding accrued interest, year three, originated, two years before current fiscal year |
0
|
|
0
|
| Financing receivable, excluding accrued interest, year four, originated, three years before current fiscal year |
0
|
|
0
|
| Financing receivable, excluding accrued interest, year five, originated, four years before current fiscal year |
0
|
|
0
|
| Financing receivable, excluding accrued interest, originated, more than five years before current fiscal year |
964
|
|
0
|
| Revolving lines of credit |
0
|
|
0
|
| Revolving lines of credit converted to term loans |
0
|
|
0
|
| Total |
$ 964
|
|
$ 0
|