Income Taxes, Components of Net Deferred Tax Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Deferred Tax Assets [Abstract]
Allowance for Credit Losses	$ 17,248	$ 15,925
Accrued Liabilities	8,526	8,452
Deferred Compensation	13,707	14,200
State Franchise Tax	1,891	1,624
Tax Credit Carry Forward	0	1,266
Lease Liability	1,454	1,487
Acquired Net Operating Loss	643	673
Fair Value Adjustment on Loans Acquired	237	286
Fair Value Adjustment on ORE Acquired	108	108
PPP Loan Service Fee Income	1,367	0
Low-Income Housing Investment	384	286
Other	7	2
Total Deferred Tax Assets	45,572	44,309
Deferred Tax Liabilities [Abstract]
Premises and Equipment	(1,684)	(1,974)
Securities Accretion	(588)	(370)
Unrealized Gain on Securities Available-for-Sale	(5,156)	(935)
Leasing Activities	(17,183)	(19,226)
Core Deposit Intangible Asset	(1,186)	(1,372)
ROU Lease Asset	(1,428)	(1,471)
Prepaid	(45)	(66)
Other	(1,209)	(898)
Total Deferred Tax Liabilities	(28,479)	(26,312)
Net Deferred Tax Assets	$ 17,093	$ 17,997