Investments - Gross Unrealized Losses - Tabular Disclosure (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Gross Unrealized Losses, Less than twelve months	$ (60,538)	$ (2,754)
Fair Value, Less than twelve months	823,433	313,276
Gross Unrealized Losses, Twelve months or more	(48)	(160)
Fair Value, Twelve months or more	853	2,808
Total, Gross Unrealized Losses	(60,586)	(2,914)
Total, Fair Value	824,286	316,084
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss [Abstract]
Gross Unrealized Losses, Less than twelve months	(14,295)
Fair Value, Less than twelve months	(143,446)
Total, Gross Unrealized Losses	(14,295)
Total, Fair Value	143,446
U.S. Government Agencies [Member]
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Gross Unrealized Losses, Less than twelve months	(19)
Fair Value, Less than twelve months	981
Total, Gross Unrealized Losses	(19)
Total, Fair Value	981
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss [Abstract]
Gross Unrealized Losses, Less than twelve months	(346)
Fair Value, Less than twelve months	6,416
Total, Gross Unrealized Losses	(346)
Total, Fair Value	6,416
Mortgage-Backed Securities [Member]
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Gross Unrealized Losses, Less than twelve months	(8,941)	(1,797)
Fair Value, Less than twelve months	176,718	107,026
Gross Unrealized Losses, Twelve months or more	(48)	(160)
Fair Value, Twelve months or more	853	2,808
Total, Gross Unrealized Losses	(8,989)	(1,957)
Total, Fair Value	177,571	109,834
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss [Abstract]
Gross Unrealized Losses, Less than twelve months	(8,006)
Fair Value, Less than twelve months	(95,882)
Total, Gross Unrealized Losses	(8,006)
Total, Fair Value	95,882
States and Political Subdivisions [Member]
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Gross Unrealized Losses, Less than twelve months	(31,960)	(268)
Fair Value, Less than twelve months	221,848	30,170
Total, Gross Unrealized Losses	(31,960)	(268)
Total, Fair Value	221,848	30,170
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss [Abstract]
Gross Unrealized Losses, Less than twelve months	(5,943)
Fair Value, Less than twelve months	(41,148)
Total, Gross Unrealized Losses	(5,943)
Total, Fair Value	41,148
Corporate Bond [Member]
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Gross Unrealized Losses, Less than twelve months	(3,179)	(1)
Fair Value, Less than twelve months	43,562	499
Total, Gross Unrealized Losses	(3,179)	(1)
Total, Fair Value	43,562	499
Collateralized Loan Obligations [Member]
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Gross Unrealized Losses, Less than twelve months	(16,439)	(688)
Fair Value, Less than twelve months	380,324	175,581
Total, Gross Unrealized Losses	(16,439)	(688)
Total, Fair Value	$ 380,324	$ 175,581