Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2012

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases

Future minimum payments under these agreements are as follows (in thousands):

Year Ending December 31,
2013	$	1,022
2014	742
2015	347
2016	43
2017	—
Total	$	2,154