Fair Value of Assets and Liabilities - Fair Value Measurements on a Recurring Basis (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Financial Assets
Debt securities, available for sale	$ 4,024,980	$ 4,245,205
Recurring Measurements
Financial Assets
Loans held for sale, at fair value	47,738	33,060
Total assets measured at fair value on a recurring basis	4,078,047	4,288,851
Total financial liabilities	559
U.S. government and federal agency
Financial Assets
Debt securities, available for sale	425,300	468,433
U.S. government and federal agency \| Recurring Measurements
Financial Assets
Debt securities, available for sale	425,300	468,433
U.S. government sponsored enterprises
Financial Assets
Debt securities, available for sale	315,982	310,154
U.S. government sponsored enterprises \| Recurring Measurements
Financial Assets
Debt securities, available for sale	315,982	310,154
State and local governments
Financial Assets
Debt securities, available for sale	70,704	68,680
State and local governments \| Recurring Measurements
Financial Assets
Debt securities, available for sale	70,704	68,680
Corporate bonds
Financial Assets
Debt securities, available for sale	14,633	14,503
Corporate bonds \| Recurring Measurements
Financial Assets
Debt securities, available for sale	14,633	14,503
Residential mortgage-backed securities
Financial Assets
Debt securities, available for sale	2,187,864	2,355,516
Residential mortgage-backed securities \| Recurring Measurements
Financial Assets
Debt securities, available for sale	2,187,864	2,355,516
Commercial mortgage-backed securities
Financial Assets
Debt securities, available for sale	1,010,497	1,027,919
Commercial mortgage-backed securities \| Recurring Measurements
Financial Assets
Debt securities, available for sale	1,010,497	1,027,919
Interest rate caps \| Recurring Measurements
Financial Assets
Derivative assets		720
Interest rate locks \| Recurring Measurements
Financial Assets
Derivative assets	1,243	410
TBA hedge \| Recurring Measurements
Financial Assets
Derivative assets		169
Derivative liabilities	559
Interest rate swap \| Recurring Measurements
Financial Assets
Derivative assets	4,086	9,287
Level 1 \| Recurring Measurements
Financial Assets
Loans held for sale, at fair value	0	0
Total assets measured at fair value on a recurring basis	0	0
Total financial liabilities	0
Level 1 \| U.S. government and federal agency \| Recurring Measurements
Financial Assets
Debt securities, available for sale	0	0
Level 1 \| U.S. government sponsored enterprises \| Recurring Measurements
Financial Assets
Debt securities, available for sale	0	0
Level 1 \| State and local governments \| Recurring Measurements
Financial Assets
Debt securities, available for sale	0	0
Level 1 \| Corporate bonds \| Recurring Measurements
Financial Assets
Debt securities, available for sale	0	0
Level 1 \| Residential mortgage-backed securities \| Recurring Measurements
Financial Assets
Debt securities, available for sale	0	0
Level 1 \| Commercial mortgage-backed securities \| Recurring Measurements
Financial Assets
Debt securities, available for sale	0	0
Level 1 \| Interest rate caps \| Recurring Measurements
Financial Assets
Derivative assets		0
Level 1 \| Interest rate locks \| Recurring Measurements
Financial Assets
Derivative assets	0	0
Level 1 \| TBA hedge \| Recurring Measurements
Financial Assets
Derivative assets		0
Derivative liabilities	0
Level 1 \| Interest rate swap \| Recurring Measurements
Financial Assets
Derivative assets	0	0
Level 2 \| Recurring Measurements
Financial Assets
Loans held for sale, at fair value	47,738	33,060
Total assets measured at fair value on a recurring basis	4,078,047	4,288,851
Total financial liabilities	559
Level 2 \| U.S. government and federal agency \| Recurring Measurements
Financial Assets
Debt securities, available for sale	425,300	468,433
Level 2 \| U.S. government sponsored enterprises \| Recurring Measurements
Financial Assets
Debt securities, available for sale	315,982	310,154
Level 2 \| State and local governments \| Recurring Measurements
Financial Assets
Debt securities, available for sale	70,704	68,680
Level 2 \| Corporate bonds \| Recurring Measurements
Financial Assets
Debt securities, available for sale	14,633	14,503
Level 2 \| Residential mortgage-backed securities \| Recurring Measurements
Financial Assets
Debt securities, available for sale	2,187,864	2,355,516
Level 2 \| Commercial mortgage-backed securities \| Recurring Measurements
Financial Assets
Debt securities, available for sale	1,010,497	1,027,919
Level 2 \| Interest rate caps \| Recurring Measurements
Financial Assets
Derivative assets		720
Level 2 \| Interest rate locks \| Recurring Measurements
Financial Assets
Derivative assets	1,243	410
Level 2 \| TBA hedge \| Recurring Measurements
Financial Assets
Derivative assets		169
Derivative liabilities	559
Level 2 \| Interest rate swap \| Recurring Measurements
Financial Assets
Derivative assets	4,086	9,287
Level 3 \| Recurring Measurements
Financial Assets
Loans held for sale, at fair value	0	0
Total assets measured at fair value on a recurring basis	0	0
Total financial liabilities	0
Level 3 \| U.S. government and federal agency \| Recurring Measurements
Financial Assets
Debt securities, available for sale	0	0
Level 3 \| U.S. government sponsored enterprises \| Recurring Measurements
Financial Assets
Debt securities, available for sale	0	0
Level 3 \| State and local governments \| Recurring Measurements
Financial Assets
Debt securities, available for sale	0	0
Level 3 \| Corporate bonds \| Recurring Measurements
Financial Assets
Debt securities, available for sale	0	0
Level 3 \| Residential mortgage-backed securities \| Recurring Measurements
Financial Assets
Debt securities, available for sale	0	0
Level 3 \| Commercial mortgage-backed securities \| Recurring Measurements
Financial Assets
Debt securities, available for sale	0	0
Level 3 \| Interest rate caps \| Recurring Measurements
Financial Assets
Derivative assets		0
Level 3 \| Interest rate locks \| Recurring Measurements
Financial Assets
Derivative assets	0	0
Level 3 \| TBA hedge \| Recurring Measurements
Financial Assets
Derivative assets		0
Derivative liabilities	0
Level 3 \| Interest rate swap \| Recurring Measurements
Financial Assets
Derivative assets	$ 0	$ 0

Fair value portion of asset recognized for present right to economic benefit.

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