Income Taxes, Components of Net Deferred Income Tax Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Deferred income tax assets: [Abstract]
Allowance for credit losses	$ 18,129	$ 17,248
Deferred compensation	15,339	13,707
Accrued liabilities	9,415	8,526
State income taxes	2,157	1,891
Lease liabilities	1,222	1,454
Unrealized losses on debt securities	945	0
SBA PPP loan fee income	764	1,367
Acquired net operating losses	614	643
Low-income housing tax investments	503	384
Acquired loans fair valuation	197	237
Acquired OREO fair valuation	108	108
Other	19	7
Total deferred income tax assets	49,412	45,572
Deferred income tax liabilities: [Abstract]
Commercial leasing	(17,892)	(17,183)
Unrealized gains on debt securities	0	(5,156)
Premises and equipment	(1,860)	(1,684)
Right of use leasing asset	(1,197)	(1,428)
Core deposit intangible asset	(1,006)	(1,186)
Deferred loan and lease costs	(869)	(692)
Accretion on investment securities	(523)	(588)
FHLB dividends	(348)	(348)
Prepaid assets	(43)	(45)
Other	(132)	(169)
Total deferred income tax liabilities	(23,870)	(28,479)
Net deferred income tax assets	$ 25,542	$ 17,093