Fair Value - Assets and Liabilities Recorded at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Assets
Total available-for-sale securities, Fair value,	$ 2,255,336	$ 3,151,133
Collateralized Loan Obligations
Assets
Total available-for-sale securities, Fair value,	247,854	241,321
Fair Value, Measurements, Recurring
Assets
Total available-for-sale securities, Fair value,	2,255,336	3,151,133
Other assets	13,285	16,321
Liabilities
Other liabilities	(4,620)	(50,119)
Total
Net Assets (Liabilities)	2,264,001	3,117,335
Fair Value, Measurements, Recurring | Collateralized Loan Obligations
Assets
Total available-for-sale securities, Fair value,	247,854
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets
Other assets	517	5,376
Total
Net Assets (Liabilities)	517	5,376
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2)
Assets
Total available-for-sale securities, Fair value,	2,255,336	3,151,133
Other assets	12,768	10,945
Liabilities
Other liabilities	(2,320)	(49,268)
Total
Net Assets (Liabilities)	2,265,784	3,112,810
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Collateralized Loan Obligations
Assets
Total available-for-sale securities, Fair value,	247,854
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3)
Liabilities
Other liabilities	(2,300)	(851)
Total
Net Assets (Liabilities)	(2,300)	(851)
U.S. Treasury and government agency debt securities
Assets
Total available-for-sale securities, Fair value,	32,503	150,982
U.S. Treasury and government agency debt securities | Fair Value, Measurements, Recurring
Assets
Total available-for-sale securities, Fair value,	32,503	150,982
U.S. Treasury and government agency debt securities | Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2)
Assets
Total available-for-sale securities, Fair value,	32,503	150,982
Government-sponsored enterprises debt securities
Assets
Total available-for-sale securities, Fair value,	19,592	44,301
Government-sponsored enterprises debt securities | Fair Value, Measurements, Recurring
Assets
Total available-for-sale securities, Fair value,	19,592	44,301
Government-sponsored enterprises debt securities | Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2)
Assets
Total available-for-sale securities, Fair value,	19,592	44,301
Residential - Government agency
Assets
Total available-for-sale securities, Fair value,	10,182	59,723
Residential - Government agency | Fair Value, Measurements, Recurring
Assets
Total available-for-sale securities, Fair value,	10,182	59,723
Residential - Government agency | Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2)
Assets
Total available-for-sale securities, Fair value,	10,182	59,723
Residential - Government-sponsored enterprises
Assets
Total available-for-sale securities, Fair value,	783,297	1,160,455
Residential - Government-sponsored enterprises | Fair Value, Measurements, Recurring
Assets
Total available-for-sale securities, Fair value,	783,297	1,160,455
Residential - Government-sponsored enterprises | Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2)
Assets
Total available-for-sale securities, Fair value,	783,297	1,160,455
Commercial - Government agency
Assets
Total available-for-sale securities, Fair value,	218,674	237,853
Commercial - Government agency | Fair Value, Measurements, Recurring
Assets
Total available-for-sale securities, Fair value,	218,674	237,853
Commercial - Government agency | Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2)
Assets
Total available-for-sale securities, Fair value,	218,674	237,853
Commercial - Government-sponsored enterprises
Assets
Total available-for-sale securities, Fair value,	86,431	119,573
Commercial - Government-sponsored enterprises | Fair Value, Measurements, Recurring
Assets
Total available-for-sale securities, Fair value,	86,431	119,573
Commercial - Government-sponsored enterprises | Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2)
Assets
Total available-for-sale securities, Fair value,	86,431	119,573
Commercial - Non-government mortgage | Fair Value, Measurements, Recurring
Assets
Total available-for-sale securities, Fair value,	21,683	21,471
Commercial - Non-government mortgage | Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2)
Assets
Total available-for-sale securities, Fair value,	21,683	21,471
Government agency
Assets
Total available-for-sale securities, Fair value,	471,150	653,322
Government agency | Fair Value, Measurements, Recurring
Assets
Total available-for-sale securities, Fair value,	471,150	653,322
Government agency | Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2)
Assets
Total available-for-sale securities, Fair value,	471,150	653,322
Government-sponsored enterprises
Assets
Total available-for-sale securities, Fair value,	363,970	462,132
Government-sponsored enterprises | Fair Value, Measurements, Recurring
Assets
Total available-for-sale securities, Fair value,	363,970	462,132
Government-sponsored enterprises | Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2)
Assets
Total available-for-sale securities, Fair value,	$ 363,970	462,132
Collateralized Loan Obligations | Fair Value, Measurements, Recurring
Assets
Total available-for-sale securities, Fair value,		241,321
Collateralized Loan Obligations | Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2)
Assets
Total available-for-sale securities, Fair value,		$ 241,321