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Other Comprehensive Income (Loss) - Summary of Unrealized Gains and Losses on Available-for-Sale Securities (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance at beginning of period	$ 227,685	$ 234,155	$ 245,657	$ 223,726
Other comprehensive loss	(14,506)	(1,257)	(45,423)	(2,207)
Balance at end of period	219,917	238,737	219,917	238,737
Accumulated Net Investment Gain (Loss) Attributable to Parent
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance at beginning of period	(32,795)	1,190	(1,718)	5,009
Unrealized losses arising during the period	(18,812)	(2,442)	(58,149)	(7,112)
Reclassification of net realized (gains) losses during the period	(6)	142	(7)	(22)
Related deferred taxes	3,952	483	12,213	1,498
Other comprehensive loss	(14,866)	(1,817)	(45,943)	(5,636)
Balance at end of period	$ (47,661)	$ (627)	$ (47,661)	$ (627)

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