Allowance for Credit Losses - Loan Portfolio Stratified by Key Credit Quality Indicators (Details) - USD ($)
$ in Thousands |
3 Months Ended |
6 Months Ended |
12 Months Ended |
Jun. 30, 2024 |
Jun. 30, 2023 |
Jun. 30, 2024 |
Jun. 30, 2023 |
Dec. 31, 2023 |
| % of Balance |
|
|
|
|
|
| Current period gross charge-offs, total |
$ (91,168)
|
$ (114,134)
|
$ (185,165)
|
$ (210,216)
|
|
| Current period recoveries, total |
11,377
|
11,695
|
22,691
|
23,692
|
|
| Current period net charge-offs, total |
(79,791)
|
$ (102,439)
|
(162,474)
|
$ (186,524)
|
|
| Consumer Portfolio Segment | Student Loan |
|
|
|
|
|
| % of Balance |
|
|
|
|
|
| Current period gross charge-offs, Year 1 |
|
|
(163)
|
|
$ (1,812)
|
| Current period gross charge-offs, Year 2 |
|
|
(8,669)
|
|
(31,032)
|
| Current period gross charge-offs, Year 3 |
|
|
(32,873)
|
|
(70,331)
|
| Current period gross charge-offs, Year 4 |
|
|
(26,921)
|
|
(49,624)
|
| Current period gross charge-offs, Year 5 |
|
|
(18,886)
|
|
(50,585)
|
| Current period gross charge-offs, After Year 5 |
|
|
(97,404)
|
|
(216,711)
|
| Current period gross charge-offs, total |
|
|
(184,916)
|
|
(420,095)
|
| Current period recoveries, Year 1 |
|
|
0
|
|
172
|
| Current period recoveries, Year 2 |
|
|
700
|
|
2,342
|
| Current period recoveries, Year 3 |
|
|
3,257
|
|
6,496
|
| Current period recoveries, Year 4 |
|
|
2,941
|
|
4,923
|
| Current period recoveries, Year 5 |
|
|
2,011
|
|
5,260
|
| Current period recoveries, After Year 5 |
|
|
13,782
|
|
27,175
|
| Current period recoveries, total |
|
|
22,691
|
|
46,368
|
| Current period net charge-offs, Year 1 |
|
|
(163)
|
|
(1,640)
|
| Current period net charge-offs, Year 2 |
|
|
(7,969)
|
|
(28,690)
|
| Current period recoveries, Year 3 |
|
|
(29,616)
|
|
(63,835)
|
| Current period recoveries, Year 4 |
|
|
(23,980)
|
|
(44,701)
|
| Current period recoveries, Year 5 |
|
|
(16,875)
|
|
(45,325)
|
| Current period recoveries, After Year 5 |
|
|
(83,622)
|
|
(189,536)
|
| Current period net charge-offs, total |
|
|
(162,225)
|
|
(373,727)
|
| Total accrued interest by origination vintage, Year 1 |
43,576
|
|
43,576
|
|
177,959
|
| Total accrued interest by origination vintage, Year 2 |
357,479
|
|
357,479
|
|
408,800
|
| Total accrued interest by origination vintage, Year 3 |
329,161
|
|
329,161
|
|
269,978
|
| Total accrued interest by origination vintage, Year 4 |
221,437
|
|
221,437
|
|
152,094
|
| Total accrued interest by origination vintage, Year 5 |
128,373
|
|
128,373
|
|
116,618
|
| Total accrued interest by origination vintage, After Year 5 |
287,456
|
|
287,456
|
|
229,116
|
| Total accrued interest by origination vintage |
1,367,482
|
|
1,367,482
|
|
1,354,565
|
| Consumer Portfolio Segment | Student Loan | With and without cosigners |
|
|
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
|
|
| Year 1 |
1,480,348
|
|
1,480,348
|
|
4,490,119
|
| Year 2 |
5,423,019
|
|
5,423,019
|
|
5,088,739
|
| Year 3 |
3,297,769
|
|
3,297,769
|
|
2,937,422
|
| Year 4 |
2,177,720
|
|
2,177,720
|
|
1,819,089
|
| Year 5 |
1,472,239
|
|
1,472,239
|
|
1,632,300
|
| After Year 5 |
5,768,436
|
|
5,768,436
|
|
5,058,175
|
| Loan type |
$ 19,619,531
|
|
$ 19,619,531
|
|
$ 21,025,844
|
| % of Balance |
|
|
|
|
|
| Total in percent |
100.00%
|
|
100.00%
|
|
100.00%
|
| Consumer Portfolio Segment | Student Loan | With cosigner |
|
|
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
|
|
| Year 1 |
$ 1,263,118
|
|
$ 1,263,118
|
|
$ 3,903,676
|
| Year 2 |
4,792,996
|
|
4,792,996
|
|
4,428,163
|
| Year 3 |
2,830,170
|
|
2,830,170
|
|
2,516,380
|
| Year 4 |
1,844,136
|
|
1,844,136
|
|
1,535,308
|
| Year 5 |
1,229,753
|
|
1,229,753
|
|
1,378,699
|
| After Year 5 |
5,084,224
|
|
5,084,224
|
|
4,529,768
|
| Loan type |
$ 17,044,397
|
|
$ 17,044,397
|
|
$ 18,291,994
|
| % of Balance |
|
|
|
|
|
| Private education loans |
87.00%
|
|
87.00%
|
|
87.00%
|
| Consumer Portfolio Segment | Student Loan | Without cosigner |
|
|
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
|
|
| Year 1 |
$ 217,230
|
|
$ 217,230
|
|
$ 586,443
|
| Year 2 |
630,023
|
|
630,023
|
|
660,576
|
| Year 3 |
467,599
|
|
467,599
|
|
421,042
|
| Year 4 |
333,584
|
|
333,584
|
|
283,781
|
| Year 5 |
242,486
|
|
242,486
|
|
253,601
|
| After Year 5 |
684,212
|
|
684,212
|
|
528,407
|
| Loan type |
$ 2,575,134
|
|
$ 2,575,134
|
|
$ 2,733,850
|
| % of Balance |
|
|
|
|
|
| Private education loans |
13.00%
|
|
13.00%
|
|
13.00%
|
| Consumer Portfolio Segment | Student Loan | FICO at Origination |
|
|
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
|
|
| Year 1 |
$ 1,480,348
|
|
$ 1,480,348
|
|
$ 4,490,119
|
| Year 2 |
5,423,019
|
|
5,423,019
|
|
5,088,739
|
| Year 3 |
3,297,769
|
|
3,297,769
|
|
2,937,422
|
| Year 4 |
2,177,720
|
|
2,177,720
|
|
1,819,089
|
| Year 5 |
1,472,239
|
|
1,472,239
|
|
1,632,300
|
| After Year 5 |
5,768,436
|
|
5,768,436
|
|
5,058,175
|
| Loan type |
$ 19,619,531
|
|
$ 19,619,531
|
|
$ 21,025,844
|
| % of Balance |
|
|
|
|
|
| Total in percent |
100.00%
|
|
100.00%
|
|
100.00%
|
| Consumer Portfolio Segment | Student Loan | FICO at Origination | Less than 670 |
|
|
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
|
|
| Year 1 |
$ 90,651
|
|
$ 90,651
|
|
$ 328,199
|
| Year 2 |
396,047
|
|
396,047
|
|
395,526
|
| Year 3 |
265,203
|
|
265,203
|
|
208,696
|
| Year 4 |
158,763
|
|
158,763
|
|
118,935
|
| Year 5 |
99,015
|
|
99,015
|
|
137,494
|
| After Year 5 |
515,518
|
|
515,518
|
|
451,613
|
| Loan type |
$ 1,525,197
|
|
$ 1,525,197
|
|
$ 1,640,463
|
| % of Balance |
|
|
|
|
|
| Private education loans at origination |
8.00%
|
|
8.00%
|
|
8.00%
|
| Consumer Portfolio Segment | Student Loan | FICO at Origination | 670-699 |
|
|
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
|
|
| Year 1 |
$ 197,505
|
|
$ 197,505
|
|
$ 635,642
|
| Year 2 |
757,395
|
|
757,395
|
|
704,642
|
| Year 3 |
457,439
|
|
457,439
|
|
400,744
|
| Year 4 |
294,690
|
|
294,690
|
|
254,762
|
| Year 5 |
209,037
|
|
209,037
|
|
257,840
|
| After Year 5 |
979,895
|
|
979,895
|
|
868,777
|
| Loan type |
$ 2,895,961
|
|
$ 2,895,961
|
|
$ 3,122,407
|
| % of Balance |
|
|
|
|
|
| Private education loans at origination |
15.00%
|
|
15.00%
|
|
15.00%
|
| Consumer Portfolio Segment | Student Loan | FICO at Origination | 700-749 |
|
|
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
|
|
| Year 1 |
$ 463,674
|
|
$ 463,674
|
|
$ 1,383,779
|
| Year 2 |
1,663,571
|
|
1,663,571
|
|
1,586,783
|
| Year 3 |
1,030,601
|
|
1,030,601
|
|
934,033
|
| Year 4 |
693,019
|
|
693,019
|
|
590,401
|
| Year 5 |
480,075
|
|
480,075
|
|
545,333
|
| After Year 5 |
1,948,940
|
|
1,948,940
|
|
1,709,299
|
| Loan type |
$ 6,279,880
|
|
$ 6,279,880
|
|
$ 6,749,628
|
| % of Balance |
|
|
|
|
|
| Private education loans at origination |
32.00%
|
|
32.00%
|
|
32.00%
|
| Consumer Portfolio Segment | Student Loan | FICO at Origination | Greater than or equal to 750 |
|
|
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
|
|
| Year 1 |
$ 728,518
|
|
$ 728,518
|
|
$ 2,142,499
|
| Year 2 |
2,606,006
|
|
2,606,006
|
|
2,401,788
|
| Year 3 |
1,544,526
|
|
1,544,526
|
|
1,393,949
|
| Year 4 |
1,031,248
|
|
1,031,248
|
|
854,991
|
| Year 5 |
684,112
|
|
684,112
|
|
691,633
|
| After Year 5 |
2,324,083
|
|
2,324,083
|
|
2,028,486
|
| Loan type |
$ 8,918,493
|
|
$ 8,918,493
|
|
$ 9,513,346
|
| % of Balance |
|
|
|
|
|
| Private education loans at origination |
45.00%
|
|
45.00%
|
|
45.00%
|
| Consumer Portfolio Segment | Student Loan | FICO Refreshed |
|
|
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
|
|
| Year 1 |
$ 1,480,348
|
|
$ 1,480,348
|
|
$ 4,490,119
|
| Year 2 |
5,423,019
|
|
5,423,019
|
|
5,088,739
|
| Year 3 |
3,297,769
|
|
3,297,769
|
|
2,937,422
|
| Year 4 |
2,177,720
|
|
2,177,720
|
|
1,819,089
|
| Year 5 |
1,472,239
|
|
1,472,239
|
|
1,632,300
|
| After Year 5 |
5,768,436
|
|
5,768,436
|
|
5,058,175
|
| Loan type |
$ 19,619,531
|
|
$ 19,619,531
|
|
$ 21,025,844
|
| % of Balance |
|
|
|
|
|
| Total in percent |
100.00%
|
|
100.00%
|
|
100.00%
|
| Consumer Portfolio Segment | Student Loan | FICO Refreshed | Less than 670 |
|
|
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
|
|
| Year 1 |
$ 139,717
|
|
$ 139,717
|
|
$ 495,451
|
| Year 2 |
648,278
|
|
648,278
|
|
638,381
|
| Year 3 |
471,147
|
|
471,147
|
|
379,738
|
| Year 4 |
307,412
|
|
307,412
|
|
217,956
|
| Year 5 |
195,258
|
|
195,258
|
|
214,665
|
| After Year 5 |
883,767
|
|
883,767
|
|
791,875
|
| Loan type |
$ 2,645,579
|
|
$ 2,645,579
|
|
$ 2,738,066
|
| % of Balance |
|
|
|
|
|
| Private education loans at origination |
13.00%
|
|
13.00%
|
|
13.00%
|
| Consumer Portfolio Segment | Student Loan | FICO Refreshed | 670-699 |
|
|
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
|
|
| Year 1 |
$ 198,681
|
|
$ 198,681
|
|
$ 616,684
|
| Year 2 |
719,888
|
|
719,888
|
|
672,777
|
| Year 3 |
412,143
|
|
412,143
|
|
365,674
|
| Year 4 |
262,386
|
|
262,386
|
|
193,462
|
| Year 5 |
152,440
|
|
152,440
|
|
176,963
|
| After Year 5 |
631,641
|
|
631,641
|
|
564,245
|
| Loan type |
$ 2,377,179
|
|
$ 2,377,179
|
|
$ 2,589,805
|
| % of Balance |
|
|
|
|
|
| Private education loans at origination |
12.00%
|
|
12.00%
|
|
12.00%
|
| Consumer Portfolio Segment | Student Loan | FICO Refreshed | 700-749 |
|
|
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
|
|
| Year 1 |
$ 449,714
|
|
$ 449,714
|
|
$ 1,347,094
|
| Year 2 |
1,559,804
|
|
1,559,804
|
|
1,477,310
|
| Year 3 |
919,511
|
|
919,511
|
|
836,747
|
| Year 4 |
590,474
|
|
590,474
|
|
498,414
|
| Year 5 |
390,302
|
|
390,302
|
|
445,244
|
| After Year 5 |
1,538,382
|
|
1,538,382
|
|
1,361,073
|
| Loan type |
$ 5,448,187
|
|
$ 5,448,187
|
|
$ 5,965,882
|
| % of Balance |
|
|
|
|
|
| Private education loans at origination |
28.00%
|
|
28.00%
|
|
28.00%
|
| Consumer Portfolio Segment | Student Loan | FICO Refreshed | Greater than or equal to 750 |
|
|
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
|
|
| Year 1 |
$ 692,236
|
|
$ 692,236
|
|
$ 2,030,890
|
| Year 2 |
2,495,049
|
|
2,495,049
|
|
2,300,271
|
| Year 3 |
1,494,968
|
|
1,494,968
|
|
1,355,263
|
| Year 4 |
1,017,448
|
|
1,017,448
|
|
909,257
|
| Year 5 |
734,239
|
|
734,239
|
|
795,428
|
| After Year 5 |
2,714,646
|
|
2,714,646
|
|
2,340,982
|
| Loan type |
$ 9,148,586
|
|
$ 9,148,586
|
|
$ 9,732,091
|
| % of Balance |
|
|
|
|
|
| Private education loans at origination |
47.00%
|
|
47.00%
|
|
47.00%
|
| Consumer Portfolio Segment | Student Loan | Seasoning |
|
|
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
|
|
| Year 1 |
$ 1,480,348
|
|
$ 1,480,348
|
|
$ 4,490,119
|
| Year 2 |
5,423,019
|
|
5,423,019
|
|
5,088,739
|
| Year 3 |
3,297,769
|
|
3,297,769
|
|
2,937,422
|
| Year 4 |
2,177,720
|
|
2,177,720
|
|
1,819,089
|
| Year 5 |
1,472,239
|
|
1,472,239
|
|
1,632,300
|
| After Year 5 |
5,768,436
|
|
5,768,436
|
|
5,058,175
|
| Loan type |
$ 19,619,531
|
|
$ 19,619,531
|
|
$ 21,025,844
|
| % of Balance |
|
|
|
|
|
| Total in percent |
100.00%
|
|
100.00%
|
|
100.00%
|
| Consumer Portfolio Segment | Student Loan | Seasoning | 1-12 payments |
|
|
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
|
|
| Year 1 |
$ 772,152
|
|
$ 772,152
|
|
$ 2,514,079
|
| Year 2 |
2,750,486
|
|
2,750,486
|
|
740,450
|
| Year 3 |
448,319
|
|
448,319
|
|
440,293
|
| Year 4 |
286,029
|
|
286,029
|
|
245,631
|
| Year 5 |
173,738
|
|
173,738
|
|
208,941
|
| After Year 5 |
411,072
|
|
411,072
|
|
332,608
|
| Loan type |
$ 4,841,796
|
|
$ 4,841,796
|
|
$ 4,482,002
|
| % of Balance |
|
|
|
|
|
| Seasoning based on monthly scheduled payments due from 1-12 payments |
25.00%
|
|
25.00%
|
|
21.00%
|
| Consumer Portfolio Segment | Student Loan | Seasoning | 13-24 payments |
|
|
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
|
|
| Year 1 |
$ 0
|
|
$ 0
|
|
$ 0
|
| Year 2 |
418,106
|
|
418,106
|
|
2,675,956
|
| Year 3 |
1,635,135
|
|
1,635,135
|
|
303,045
|
| Year 4 |
190,611
|
|
190,611
|
|
167,532
|
| Year 5 |
135,833
|
|
135,833
|
|
165,577
|
| After Year 5 |
412,987
|
|
412,987
|
|
384,760
|
| Loan type |
$ 2,792,672
|
|
$ 2,792,672
|
|
$ 3,696,870
|
| % of Balance |
|
|
|
|
|
| Seasoning based on monthly scheduled payments due from 13 - 24 payments |
14.00%
|
|
14.00%
|
|
18.00%
|
| Consumer Portfolio Segment | Student Loan | Seasoning | 25-36 payments |
|
|
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
|
|
| Year 1 |
$ 0
|
|
$ 0
|
|
$ 0
|
| Year 2 |
0
|
|
0
|
|
0
|
| Year 3 |
258,592
|
|
258,592
|
|
1,524,834
|
| Year 4 |
1,094,789
|
|
1,094,789
|
|
195,091
|
| Year 5 |
116,401
|
|
116,401
|
|
129,571
|
| After Year 5 |
528,339
|
|
528,339
|
|
456,448
|
| Loan type |
$ 1,998,121
|
|
$ 1,998,121
|
|
$ 2,305,944
|
| % of Balance |
|
|
|
|
|
| Seasoning based on monthly scheduled payments due from 25 - 36 payments |
10.00%
|
|
10.00%
|
|
11.00%
|
| Consumer Portfolio Segment | Student Loan | Seasoning | 37-48 payments |
|
|
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
|
|
| Year 1 |
$ 0
|
|
$ 0
|
|
$ 0
|
| Year 2 |
0
|
|
0
|
|
0
|
| Year 3 |
0
|
|
0
|
|
0
|
| Year 4 |
153,321
|
|
153,321
|
|
902,938
|
| Year 5 |
687,962
|
|
687,962
|
|
208,521
|
| After Year 5 |
472,389
|
|
472,389
|
|
446,350
|
| Loan type |
$ 1,313,672
|
|
$ 1,313,672
|
|
$ 1,557,809
|
| % of Balance |
|
|
|
|
|
| Seasoning based on monthly scheduled payments due from 37 - 48 payments |
7.00%
|
|
7.00%
|
|
7.00%
|
| Consumer Portfolio Segment | Student Loan | Seasoning | More than 48 payments |
|
|
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
|
|
| Year 1 |
$ 0
|
|
$ 0
|
|
$ 0
|
| Year 2 |
0
|
|
0
|
|
0
|
| Year 3 |
0
|
|
0
|
|
0
|
| Year 4 |
0
|
|
0
|
|
116
|
| Year 5 |
126,750
|
|
126,750
|
|
706,097
|
| After Year 5 |
3,417,762
|
|
3,417,762
|
|
2,985,015
|
| Loan type |
$ 3,544,512
|
|
$ 3,544,512
|
|
$ 3,691,228
|
| % of Balance |
|
|
|
|
|
| Seasoning based on monthly scheduled payments due from more than 48 payments |
18.00%
|
|
18.00%
|
|
18.00%
|
| Consumer Portfolio Segment | Student Loan | Seasoning | Not yet in repayment |
|
|
|
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
|
|
|
| Year 1 |
$ 708,196
|
|
$ 708,196
|
|
$ 1,976,040
|
| Year 2 |
2,254,427
|
|
2,254,427
|
|
1,672,333
|
| Year 3 |
955,723
|
|
955,723
|
|
669,250
|
| Year 4 |
452,970
|
|
452,970
|
|
307,781
|
| Year 5 |
231,555
|
|
231,555
|
|
213,593
|
| After Year 5 |
525,887
|
|
525,887
|
|
452,994
|
| Loan type |
$ 5,128,758
|
|
$ 5,128,758
|
|
$ 5,291,991
|
| % of Balance |
|
|
|
|
|
| Seasoning based on monthly scheduled payments due from not yet in repayment |
26.00%
|
|
26.00%
|
|
25.00%
|