Fair Value - Assets and Liabilities Recorded at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Assets
Total available-for-sale securities	$ 2,094,699	$ 2,076,233
Fair Value, Measurements, Recurring
Assets
Total available-for-sale securities	2,094,699	2,076,233
Other assets	22,381	22,117
Liabilities
Other liabilities	(12,488)	(14,628)
Total
Total	2,104,592	2,083,722
Fair Value, Measurements, Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets
Other assets	581	595
Total
Total	581	595
Fair Value, Measurements, Recurring \| Significant Other Observable Inputs (Level 2)
Assets
Total available-for-sale securities	2,094,699	2,076,233
Other assets	21,800	21,522
Liabilities
Other liabilities	(10,188)	(12,328)
Total
Total	2,106,311	2,085,427
Fair Value, Measurements, Recurring \| Significant Unobservable Inputs (Level 3)
Liabilities
Other liabilities	(2,300)	(2,300)
Total
Total	(2,300)	(2,300)
Residential - Government agency
Assets
Total available-for-sale securities	25,037	30,367
Residential - Government agency \| Fair Value, Measurements, Recurring
Assets
Total available-for-sale securities	25,037	30,367
Residential - Government agency \| Fair Value, Measurements, Recurring \| Significant Other Observable Inputs (Level 2)
Assets
Total available-for-sale securities	25,037	30,367
Residential - Government-sponsored enterprises
Assets
Total available-for-sale securities	865,210	878,215
Residential - Government-sponsored enterprises \| Fair Value, Measurements, Recurring
Assets
Total available-for-sale securities	865,210	878,215
Residential - Government-sponsored enterprises \| Fair Value, Measurements, Recurring \| Significant Other Observable Inputs (Level 2)
Assets
Total available-for-sale securities	865,210	878,215
Commercial - Government agency
Assets
Total available-for-sale securities	183,542	191,177
Commercial - Government agency \| Fair Value, Measurements, Recurring
Assets
Total available-for-sale securities	183,542	191,177
Commercial - Government agency \| Fair Value, Measurements, Recurring \| Significant Other Observable Inputs (Level 2)
Assets
Total available-for-sale securities	183,542	191,177
Commercial - Government-sponsored enterprises
Assets
Total available-for-sale securities	39,022	41,599
Commercial - Government-sponsored enterprises \| Fair Value, Measurements, Recurring
Assets
Total available-for-sale securities	39,022	41,599
Commercial - Government-sponsored enterprises \| Fair Value, Measurements, Recurring \| Significant Other Observable Inputs (Level 2)
Assets
Total available-for-sale securities	39,022	41,599
Commercial - Non-agency \| Fair Value, Measurements, Recurring
Assets
Total available-for-sale securities	259,510	129,014
Commercial - Non-agency \| Fair Value, Measurements, Recurring \| Significant Other Observable Inputs (Level 2)
Assets
Total available-for-sale securities	259,510	129,014
Government agency
Assets
Total available-for-sale securities	394,290	426,276
Government agency \| Fair Value, Measurements, Recurring
Assets
Total available-for-sale securities	394,290	426,276
Government agency \| Fair Value, Measurements, Recurring \| Significant Other Observable Inputs (Level 2)
Assets
Total available-for-sale securities	394,290	426,276
Government-sponsored enterprises
Assets
Total available-for-sale securities	283,712	302,996
Government-sponsored enterprises \| Fair Value, Measurements, Recurring
Assets
Total available-for-sale securities	283,712	302,996
Government-sponsored enterprises \| Fair Value, Measurements, Recurring \| Significant Other Observable Inputs (Level 2)
Assets
Total available-for-sale securities	283,712	302,996
Collateralized loan obligations \| Fair Value, Measurements, Recurring
Assets
Total available-for-sale securities	44,376	76,589
Collateralized loan obligations \| Fair Value, Measurements, Recurring \| Significant Other Observable Inputs (Level 2)
Assets
Total available-for-sale securities	$ 44,376	$ 76,589