Income Taxes Income Taxes (Schedule of Components of Applicable Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Current Income Tax Expense (Benefit), Continuing Operations [Abstract]
Current Federal Tax Expense (Benefit)	$ 2,436	$ 1,992	$ 3,315	$ 5,439
Current State and Local Tax Expense (Benefit)	251	171	388	451
Current Income Tax Expense (Benefit)	2,687	2,163	3,703	5,890
Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]
Deferred Federal Income Tax Expense (Benefit)	(190)	(76)	(333)	(234)
Deferred State and Local Income Tax Expense (Benefit)	(17)	(1)	(31)	(1)
Deferred Income Tax Expense (Benefit)	(207)	(77)	(364)	(235)
Income Tax Expense (Benefit)	$ 2,480	$ 2,086	$ 3,339	$ 5,655