Income Taxes (Schedule of Income tax expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Deferred tax expense (benefit):
Federal taxes	$ 290	$ 9,081	$ 9,267
State taxes	(209)	948	1,690
Deferred Tax Expense, Total	$ 81	$ 10,029	$ 10,957