Income Taxes Income Tax Expense - Annual (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Income (Loss) from Continuing Operations before Income Taxes, Domestic									$ 8,000	$ 56,700	$ 11,900
Current tax expense/(benefit)
Federal									(635)	2,247	0
State and local									313	573	241
Foreign									348	341	188
Total									26	3,161	429
Deferred tax expense/(benefit)
Federal									(37,979)	(99,284)	0
State and local									(7,420)	(28,825)	0
Foreign									(2,123)	4	28
Total									(47,522)	(128,105)	28
Total Tax expense/(benefit)	$ (52,708)	$ (5,081)	$ 3,346	$ 6,947	$ (125,210)	$ 141	$ 46	$ 79	(47,496)	(124,944)	457
Income (Loss) from Continuing Operations before Income Taxes, Foreign									$ 3,500	$ 1,100	$ 6,400