Income Taxes (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Income Taxes
Income tax benefit (expense)	$ 1,093,000	$ 3,320,000	$ (1,097,000)	$ 4,388,000
Effective Income Tax Rate, Continuing Operations	32.10%	31.90%	6.30%	4.40%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate	35.00%
Valuation Allowance, Deferred Tax Asset, Change in Amount			$ 3,000,000