Income Taxes - Actual Tax Expense from Expected Tax Expense (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Expected tax expense									$ 7,498	$ 9,951	$ 9,222
Non-taxable income									(1,481)	(1,756)	(1,833)
State franchise tax, net of federal tax benefit									421	483	444
Equity compensation									(27)	(54)	(41)
Tax credits, net of amortization									(201)	(203)	(150)
Other									(26)	(25)	2
Income tax expense	$ 1,411	$ 1,565	$ 1,535	$ 1,673	$ 1,973	$ 2,217	$ 2,159	$ 2,047	$ 6,184	$ 8,396	$ 7,644