Accumulated Other Comprehensive Income (Loss) ("AOCIL"), Summary of Changes (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Changes in AOCIL [Roll Forward]
Balance at beginning of period	$ 398,484	$ 389,522
Other comprehensive loss before reclassifications	(54,970)	(6,805)
Amounts reclassified from AOCIL	55	1,119
Other comprehensive loss	(54,915)	(5,686)
Balances at end of period	355,449	387,329
Accumulated Other Comprehensive Income (Loss) [Member]
Changes in AOCIL [Roll Forward]
Balance at beginning of period	501	10,024
Other comprehensive loss	(54,915)	(5,686)
Balances at end of period	(54,414)	4,338
Unrealized Gains (Losses) on Securities Available For Sale [Member]
Changes in AOCIL [Roll Forward]
Balance at beginning of period	6,299	15,822
Other comprehensive loss before reclassifications	(54,970)	(6,805)
Amounts reclassified from AOCIL	55	1,119
Other comprehensive loss	(54,915)	(5,686)
Balances at end of period	(48,616)	10,136
Disproportionate Tax Effects from Securities Available for Sale [Member]
Changes in AOCIL [Roll Forward]
Balance at beginning of period	(5,798)	(5,798)
Other comprehensive loss before reclassifications	0	0
Amounts reclassified from AOCIL	0	0
Other comprehensive loss	0	0
Balances at end of period	$ (5,798)	$ (5,798)