Loans and Allowance for Credit Losses on Loans HFI - Schedule of Changes in Allowance for Credit Losses on Loans HFI by Class of Financing Receivable (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	$ 186,324	$ 150,531	$ 185,983	$ 151,942
Loans charged off	(2,482)	(1,454)	(6,515)	(5,347)
Recoveries of loans previously charged-off	513	973	1,065	1,549
Provision for (reversal of) credit losses on loans HFI	9,655	5,746	13,477	7,652
Balance at end of period	194,010	148,948	194,010	148,948
Cumulative Effect, Period of Adoption, Adjustment
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period		(6,848)		(6,848)
Commercial and industrial
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	25,468	15,521	24,130	16,667
Loans charged off	(637)	(70)	(2,805)	(2,971)
Recoveries of loans previously charged-off	148	173	249	215
Provision for (reversal of) credit losses on loans HFI	1,296	1,143	4,701	2,856
Balance at end of period	26,275	20,271	26,275	20,271
Commercial and industrial \| Cumulative Effect, Period of Adoption, Adjustment
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period		3,504		3,504
Construction
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	27,523	25,652	25,633	31,698
Loans charged off	(111)	0	(315)	0
Recoveries of loans previously charged-off	2	0	27	0
Provision for (reversal of) credit losses on loans HFI	43	901	2,112	(5,145)
Balance at end of period	27,457	21,848	27,457	21,848
Construction \| Cumulative Effect, Period of Adoption, Adjustment
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period		(4,705)		(4,705)
Residential real estate: \| 1-to-4 family mortgage
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	33,181	26,200	33,218	25,340
Loans charged off	(421)	(433)	(826)	(436)
Recoveries of loans previously charged-off	58	11	66	20
Provision for (reversal of) credit losses on loans HFI	1,028	1,767	1,388	2,621
Balance at end of period	33,846	30,262	33,846	30,262
Residential real estate: \| 1-to-4 family mortgage \| Cumulative Effect, Period of Adoption, Adjustment
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period		2,717		2,717
Residential real estate: \| Residential line of credit
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	10,537	11,196	10,589	10,952
Loans charged off	0	0	(23)	0
Recoveries of loans previously charged-off	1	1	1	1
Provision for (reversal of) credit losses on loans HFI	(352)	902	(381)	1,146
Balance at end of period	10,186	8,671	10,186	8,671
Residential real estate: \| Residential line of credit \| Cumulative Effect, Period of Adoption, Adjustment
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period		(3,428)		(3,428)
Residential real estate: \| Multi-family mortgage
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	10,361	11,416	12,260	10,512
Loans charged off	0	0	0	0
Recoveries of loans previously charged-off	0	0	0	0
Provision for (reversal of) credit losses on loans HFI	1,205	(780)	(694)	124
Balance at end of period	11,566	10,894	11,566	10,894
Residential real estate: \| Multi-family mortgage \| Cumulative Effect, Period of Adoption, Adjustment
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period		258		258
Commercial real estate: \| Commercial real estate owner occupied
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	22,135	12,074	21,609	11,993
Loans charged off	0	0	0	(17)
Recoveries of loans previously charged-off	16	9	29	30
Provision for (reversal of) credit losses on loans HFI	(2,190)	930	(1,677)	1,007
Balance at end of period	19,961	11,939	19,961	11,939
Commercial real estate: \| Commercial real estate owner occupied \| Cumulative Effect, Period of Adoption, Adjustment
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period		(1,074)		(1,074)
Commercial real estate: \| Commercial real estate non-owner occupied
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	34,989	28,319	36,235	25,531
Loans charged off	0	0	0	0
Recoveries of loans previously charged-off	0	528	0	529
Provision for (reversal of) credit losses on loans HFI	7,014	(797)	5,768	1,990
Balance at end of period	42,003	26,303	42,003	26,303
Commercial real estate: \| Commercial real estate non-owner occupied \| Cumulative Effect, Period of Adoption, Adjustment
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period		(1,747)		(1,747)
Consumer and other
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	22,130	20,153	22,309	19,249
Loans charged off	(1,313)	(951)	(2,546)	(1,923)
Recoveries of loans previously charged-off	288	251	693	754
Provision for (reversal of) credit losses on loans HFI	1,611	1,680	2,260	3,053
Balance at end of period	$ 22,716	18,760	$ 22,716	18,760
Consumer and other \| Cumulative Effect, Period of Adoption, Adjustment
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period		$ (2,373)		$ (2,373)

Financing Receivable, Credit Loss, Expense (Reversal), Excluding Change In Accounting Estimate

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

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Amount of increase in allowance for credit loss on financing receivable from recovery.

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Amount of writeoff of financing receivable, charged against allowance for credit loss.

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