Income Taxes Benefit From Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Current Income Tax Expense (Benefit), Continuing Operations [Abstract]
Current Federal Tax Expense (Benefit)	$ 1,745	$ 1,757	$ 1,766
Current State and Local Tax Expense (Benefit)	2,120	883	681
Current Income Tax Expense (Benefit)	3,865	2,640	2,447
Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]
Deferred Federal Income Tax Expense (Benefit)	28,335	28,760	22,141
Deferred State and Local Income Tax Expense (Benefit)	2,976	3,766	(5,641)
Deferred Income Tax Expense (Benefit)	31,311	32,526	16,500
Provision (benefit) from income taxes	$ 35,176	$ 35,166	$ 18,947