Other Comprehensive Income (Loss) - Tax Effects Allocated to Each Component of Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Before-Tax Amount
Net unrealized holding losses arising during the period on investment securities AFS	$ (3,465)	$ (13,885)	$ 1,478	$ (33,952)
Reclassification adjustment for net gains on investment securities AFS realized in net income	0	(5)	0	(31)
Total other comprehensive loss	(3,465)	(13,890)	1,478	(33,983)
Tax Expense
Net unrealized holding gains (losses) arising during the period on investment securities AFS	728	2,916	(310)	7,130
Reclassification adjustment for net gains on investment securities AFS realized in net income	0	1	0	6
Total other comprehensive loss	728	2,917	(310)	7,136
Net-of-Tax Amount
Net unrealized holding losses arising during the period on investment securities AFS	(2,737)	(10,969)	1,168	(26,822)
Reclassification adjustment for net gains on investment securities AFS realized in net income	0	(4)	0	(25)
Total other comprehensive (loss) income	$ (2,737)	$ (10,973)	$ 1,168	$ (26,847)

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