Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2012

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Payments for Operating and Capital Leases

Following is a schedule of future minimum lease payments for operating leases (with initial or remaining terms in excess of one year) and future minimum capital lease obligations as of December 31, 2012:

Year ending December 31,	Operating Leases		Capital Leases
2013	$	3,774	$	107
2014	2,539		35
2015	1,932		5
2016	1,680		5
2017	1,449		—
Thereafter	1,041		—
Total minimum lease payments	$	12,415	$	152
Less amount representing interest (4.1%)			5
Present value of minimum capital lease payments			147
Less current installments of obligations under capital leases			104
Obligations under capital leases, excluding current installments			$	43