Discontinued Operations Summary of Discontinued Operations (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Discontinued Operations [Abstract]
Disposal Group, Including Discontinued Operation, Revenue		$ 5,594		$ 53,426
Loss from operations, pretax		(1,317)		(7,393)
Disposal Group, Including Discontinued Operation, Operating Income (Loss), After tax		(792)		(4,490)
Discontinued Operation, Provision for Loss (Gain) on Disposal, before Income Tax		(9,108)		(62,989)
Loss from discontinued operations	$ 0	$ (9,900)	$ 0	$ (67,479)