Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2012

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases

Aggregate future minimum lease payments under the various non-cancelable operating leases are as follows (includes impact of escalation clauses, as applicable) (in thousands):

For the Years Ending December 31,
2013	$	23,329
2014	4,816
2015	2,282
2016	852
2017	404
Thereafter	—
	$	31,683