Income Taxes Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Current:
Federal	$ 1,974	$ 0	$ 0
State and local	718	413	409
Total current income tax provision	2,692	413	409
Deferred:
Federal	2,611	0	(2,115)
Other	418	0	(364)
Total deferred income tax provision	3,029	0	(2,479)
Provision (benefit) for income taxes	$ 5,721	$ 413	$ (2,070)