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Income Taxes - Effective Income Tax Reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Expected income taxes									$ 14,025	$ 12,546	$ 13,286
Tax-exempt income from bank owned life insurance									(575)	(363)	(563)
Other tax exempt income									(2,072)	(1,758)	(1,701)
Nondeductible interest expense									17	45	70
State taxes, net of federal taxes									4,417	4,325	4,280
Other items									(514)	(323)	(49)
Total	$ 5,168	$ 6,105	$ 3,357	$ 668	$ 4,484	$ 3,720	$ 3,096	$ 3,172	$ 15,298	$ 14,472	$ 15,323

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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