Income Taxes (Components of Tax Rate Reconciliation) (Details) - USD ($) $ in Thousands	3 Months Ended												12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income tax expense	$ 81	$ 1,695	$ 982	$ 189	$ 4,355	$ (1,580)	$ 692	$ (423)	$ 774	$ 676	$ 940	$ 775	$ 2,947	$ 3,044	$ 3,165
Statutory rate													35.00%	35.00%	35.00%
Income tax at federal statutory rate (35%)													$ 9,103	$ 2,774	$ 4,319
State income taxes, net of federal benefits													295	142	(24)
Tax-exempt loan interest income													(3,798)	(2,568)	(889)
Bank-owned life insurance income													(724)	(576)	(177)
Stock-based compensation													(2,002)	3,520	930
Warrant valuation														37	(1,034)
Bargain purchase gain														(367)
Other													73	82	40
Income tax expense	$ 81	$ 1,695	$ 982	$ 189	$ 4,355	$ (1,580)	$ 692	$ (423)	$ 774	$ 676	$ 940	$ 775	2,947	3,044	3,165
Parent Company [Member]
Income tax expense													(4,746)	1,090	(1,785)
Income tax expense													$ (4,746)	$ 1,090	$ (1,785)