Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2011

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases

As of December 31, 2011, the minimum future rental commitments under operating leases having non-cancelable lease terms in excess of one year are as follows:

	(In thousands)
Years Ending December 31,
2012	$	6,668
2013	6,665
2014	6,609
2015	6,609
2016	6,608
Thereafter	3,795
Total	$	36,954