Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2012

Commitments and Contingencies Disclosure [Abstract]

Aggregate minimum annual lease payments under leases in effect

Following are the aggregate minimum annual lease payments under leases in effect as of December 31, 2012 (in thousands):

Years ending December 31,	Operating leases
2013	$	1,801
2014	1,639
2015	1,364
2016	826
2017	361
Thereafter	—
Total	$	5,991