Income Taxes Income Taxes (Schedule of Components of Applicable Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Current Income Tax Expense (Benefit), Continuing Operations [Abstract]
Current Federal Tax Expense (Benefit)	$ 1,753	$ 2,178
Current State and Local Tax Expense (Benefit)	278	189
Current Income Tax Expense (Benefit)	2,031	2,367
Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]
Deferred Federal Income Tax Expense (Benefit)	(134)	(3,498)
Deferred State and Local Income Tax Expense (Benefit)	(21)	(310)
Deferred Income Tax Expense (Benefit)	(155)	(3,808)
Income Tax Expense (Benefit)	$ 1,876	$ (1,441)