Income Taxes Components of Income Tax Expense (Benefit) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Current:
Federal	$ 4,833	$ 8,847	$ 9,906
State	(66)	(1,731)	585
Foreign	494	563	0
Total current	5,261	7,679	10,491
Deferred:
Federal	(3,698)	(8,489)	3,514
State	(31)	16,901	(263)
Foreign	52	(125)	0
Total deferred	(3,677)	8,287	3,251
Total provision	$ 1,584	$ 15,966	$ 13,742