Income Taxes - Provision for Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Current:
Federal	$ (342)	$ 1,627
State	0	0
Total current	(342)	1,627
Deferred:
Federal	1,575	(5,120)
State	438	(602)
Total deferred	2,013	(5,722)
Increase (decrease) in valuation allowance for deferred tax assets	(11,000)	11,000
Total income taxes	$ (9,329)	$ 6,905