Income Taxes - Income Tax Provision (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Federal
Current expense	$ 26,516	$ 20,592	$ 21,017
Tax credits/true-up	(7,742)	(6,071)	(4,979)
Change in deferred expense	(4,151)	1,909	818
Total tax expense	14,623	16,430	16,856
State
Current expense	6,035	4,546	3,520
Tax credits/true-up	0	31	(138)
Change in deferred expense	901	(82)	86
Total tax expense	6,936	4,495	3,468
Current expense	32,551	25,138	24,537
Tax credits/true-up	(7,742)	(6,040)	(5,117)
Change in deferred expense	(3,250)	1,827	904
Total provision	$ 21,559	$ 20,925	$ 20,324