Loans and Allowance for Credit Losses - Schedule of Balances of Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025	Mar. 31, 2025	Dec. 31, 2024
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans	$ 6,404,581	$ 6,014,346
Allowance for credit losses	9,700	10,435	$ 12,315	$ 11,190
Net deferred loan (cost)/fees	(6,616)	(7,181)
Net loans	6,401,497	6,011,092
Loans at fair value	173,852	178,578
Residential
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans	2,543,441	2,573,890
Allowance for credit losses	8,151	8,999	11,321	10,468
Loans at fair value	173,900	178,600
Commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans	477	15,521
Allowance for credit losses	2	61	4	32
MPP
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans	3,860,663	3,424,935
Allowance for credit losses	$ 1,544	$ 1,370	$ 987	$ 684

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

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Amount of unamortized loan commitment, origination, and other costs (fees) on financing receivable recognized as adjustment to yield. Excludes financing receivable covered under loss sharing agreement.

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