Income Taxes (Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Deferred tax assets:
Tax effect of net unrealized loss on securities carried at fair value reflected in stockholders’ equity	$ 0	$ 11,148
Tax effect of net unrealized loss on derivatives reflected in stockholders’ equity	563	0
Allowance for loan losses	17,686	16,682
Deferred compensation	8,071	7,042
Organization and acquisitions costs	337	319
Net operating loss carryforwards	18,459	14,495
Non-accrual loan interest	853	863
OREO write-downs	921	1,469
Tax credit projects	4,252	5,254
Other	2,643	1,961
Gross deferred tax assets	53,785	59,233
Valuation allowance	(12,379)	(12,125)
Gross deferred tax assets	41,406	47,108
Deferred tax liabilities:
Tax effect of net unrealized gain on securities carried at fair value reflected in stockholders’ equity	(279)	0
Tax effect of net unrealized gain on derivatives reflected in stockholders’ equity	0	(160)
Securities	(4,240)	(2,332)
Premises, furniture and equipment	(6,232)	(6,514)
Tax bad debt reserves	(422)	(427)
Purchase accounting	(7,824)	(6,339)
Prepaid expenses	(2,176)	(203)
Servicing rights	(1,421)	(7,933)
Deferred loan fees	(3,342)	(3,321)
Other	(1,870)	(380)
Gross deferred tax liabilities	(27,806)	(27,609)
Net deferred tax asset	$ 13,600	$ 19,499