Provision for Taxes (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2012	Dec. 31, 2011	Dec. 31, 2010
Provision for Taxes (Textual) [Abstract]
Unrecognized tax liabilities	$ 0	$ 0	$ 0
Foreign earnings expected to be repatriated				25,475
Foreign earnings successfully repatriated	13,757	13,757
Income taxes related to repatriation of cash		350
Income tax reconciliation repatriation paid	200	200
Fair value of net deferred tax assets	0	0
Interest or penalties recorded for income taxes	$ 0