Accumulated Other Comprehensive Income (Loss) ("AOCIL") - Summary of Changes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Changes in AOCIL [Roll Forward]
Balances at beginning of period	$ 367,714	$ 355,449	$ 347,596	$ 398,484
Other comprehensive income (loss) before reclassifications	279	(30,317)	11,990	(85,287)
Amounts reclassified from AOCIL	22	(272)	263	(217)
Net current period other comprehensive income (loss)	301	(30,589)	12,253	(85,504)
Balances at end of period	375,162	331,134	375,162	331,134
Accumulated Other Comprehensive Income (Loss)
Changes in AOCIL [Roll Forward]
Balances at beginning of period	(80,811)	(54,414)	(92,763)	501
Net current period other comprehensive income (loss)	301	(30,589)	12,253	(85,504)
Balances at end of period	(80,510)	(85,003)	(80,510)	(85,003)
Unrealized Gains (Losses) on Securities AFS
Changes in AOCIL [Roll Forward]
Balances at beginning of period	(57,197)	(48,616)	(68,742)	6,299
Other comprehensive income (loss) before reclassifications	(498)	(10,447)	10,872	(65,417)
Amounts reclassified from AOCIL	0	(272)	175	(217)
Net current period other comprehensive income (loss)	(498)	(10,719)	11,047	(65,634)
Balances at end of period	(57,695)	(59,335)	(57,695)	(59,335)
Unrealized losses on securities transferred to securities HTM
Changes in AOCIL [Roll Forward]
Balances at beginning of period	(17,551)	0	(18,223)	0
Other comprehensive income (loss) before reclassifications	740	(19,870)	1,412	(19,870)
Amounts reclassified from AOCIL	0	0	0	0
Net current period other comprehensive income (loss)	740	(19,870)	1,412	(19,870)
Balances at end of period	(16,811)	(19,870)	(16,811)	(19,870)
Dispropor- tionate Tax Effects from Securities AFS
Changes in AOCIL [Roll Forward]
Balances at beginning of period	(5,798)	(5,798)	(5,798)	(5,798)
Other comprehensive income (loss) before reclassifications	0	0	0	0
Amounts reclassified from AOCIL	0	0	0	0
Net current period other comprehensive income (loss)	0	0	0	0
Balances at end of period	(5,798)	(5,798)	(5,798)	(5,798)
Unrealized Losses on Derivative Instruments
Changes in AOCIL [Roll Forward]
Balances at beginning of period	(265)	0	0	0
Other comprehensive income (loss) before reclassifications	37	0	(294)	0
Amounts reclassified from AOCIL	22	0	88	0
Net current period other comprehensive income (loss)	59	0	(206)	0
Balances at end of period	$ (206)	$ 0	$ (206)	$ 0