Income Taxes (Statutory tax rate impact on Income tax expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Expense, Continuing Operations, Income Tax Reconciliation [Abstract]
“Expected” statutory tax expense (benefit)	$ (3,482)	$ 24,246	$ 14,939
Nondeductible officer compensation	1,906	1,351	824
Nondeductible entertainment expenses	1,059	1,125	1,045
Nondeductible lobbying expenses	442	425	369
Impact of non-controlling interest attributable to non-tax paying entity	(220)	(18,255)	(7,977)
State income tax expense (benefit), net of federal expense	(209)	948	1,690
Other, net	585	189	67
Income Tax Expense, Total	$ 81	$ 10,029	$ 10,957