Income Taxes - Reconciliation of Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Computed “expected” tax expense (35%)	$ 681	$ 24,007	$ 19,612
State income taxes, net of federal tax effect	6	3,179	2,550
Changes in state DTL for mergers	3,320	0	0
Excess share based compensation	(1,709)	0	0
Nondeductible merger expenses	801	0	0
Other, net	(259)	540	(11)
Income tax expense on continuing operations	$ 2,840	$ 27,726	$ 22,151
Federal statutory income tax rate	35.00%	35.00%	35.00%