Income Taxes Income Taxes (Schedule of Components of Applicable Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Current Income Tax Expense (Benefit), Continuing Operations [Abstract]
Current Federal Tax Expense (Benefit)	$ 1,464	$ (1,299)	$ 3,217	$ 879
Current State and Local Tax Expense (Benefit)	233	(52)	510	136
Current Income Tax Expense (Benefit)	1,697	(1,351)	3,727	1,015
Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]
Deferred Federal Income Tax Expense (Benefit)	(34)	3,354	(167)	(143)
Deferred State and Local Income Tax Expense (Benefit)	(5)	297	(26)	(14)
Deferred Income Tax Expense (Benefit)	(39)	3,651	(193)	(157)
Income Tax Expense (Benefit)	$ 1,658	$ 2,300	$ 3,534	$ 858