Fair Value - Assets and Liabilities Recorded at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Assets
Total available-for-sale securities	$ 1,891,654	$ 1,926,516
Fair Value, Measurements, Recurring
Assets
Total available-for-sale securities	1,891,654	1,926,516
Other assets	16,932	13,777
Liabilities
Other liabilities	(8,314)	(8,405)
Total
Total	1,900,272	1,931,888
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets
Other assets	1,544	179
Total
Total	1,544	179
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2)
Assets
Total available-for-sale securities	1,891,654	1,926,516
Other assets	15,388	13,598
Liabilities
Other liabilities	(6,014)	(6,105)
Total
Total	1,901,028	1,934,009
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3)
Liabilities
Other liabilities	(2,300)	(2,300)
Total
Total	(2,300)	(2,300)
Government agency debt securities
Assets
Total available-for-sale securities		8,147
Government agency debt securities | Fair Value, Measurements, Recurring
Assets
Total available-for-sale securities		8,147
Government agency debt securities | Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2)
Assets
Total available-for-sale securities		8,147
Residential - Government agency
Assets
Total available-for-sale securities	34,372	35,859
Residential - Government agency | Fair Value, Measurements, Recurring
Assets
Total available-for-sale securities	34,372	35,859
Residential - Government agency | Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2)
Assets
Total available-for-sale securities	34,372	35,859
Residential - Government-sponsored enterprises
Assets
Total available-for-sale securities	714,338	738,113
Residential - Government-sponsored enterprises | Fair Value, Measurements, Recurring
Assets
Total available-for-sale securities	714,338	738,113
Residential - Government-sponsored enterprises | Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2)
Assets
Total available-for-sale securities	714,338	738,113
Commercial - Government agency
Assets
Total available-for-sale securities	194,010	196,125
Commercial - Government agency | Fair Value, Measurements, Recurring
Assets
Total available-for-sale securities	194,010	196,125
Commercial - Government agency | Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2)
Assets
Total available-for-sale securities	194,010	196,125
Commercial - Government-sponsored enterprises
Assets
Total available-for-sale securities	43,913	44,908
Commercial - Government-sponsored enterprises | Fair Value, Measurements, Recurring
Assets
Total available-for-sale securities	43,913	44,908
Commercial - Government-sponsored enterprises | Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2)
Assets
Total available-for-sale securities	43,913	44,908
Commercial - Non-agency | Fair Value, Measurements, Recurring
Assets
Total available-for-sale securities	89,316	22,083
Commercial - Non-agency | Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2)
Assets
Total available-for-sale securities	89,316	22,083
Government agency
Assets
Total available-for-sale securities	383,987	397,124
Government agency | Fair Value, Measurements, Recurring
Assets
Total available-for-sale securities	383,987	397,124
Government agency | Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2)
Assets
Total available-for-sale securities	383,987	397,124
Government-sponsored enterprises
Assets
Total available-for-sale securities	298,652	310,682
Government-sponsored enterprises | Fair Value, Measurements, Recurring
Assets
Total available-for-sale securities	298,652	310,682
Government-sponsored enterprises | Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2)
Assets
Total available-for-sale securities	298,652	310,682
Collateralized loan obligations | Fair Value, Measurements, Recurring
Assets
Total available-for-sale securities	133,066	173,475
Collateralized loan obligations | Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2)
Assets
Total available-for-sale securities	$ 133,066	$ 173,475