Commitments (Tables)

12 Months Ended

Dec. 31, 2012

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Non-Cancelable Minimum Rental Payments for Operating Leases

The future non-cancelable minimum rental payments applicable to operating leases at December 31, 2012 are as follows:

2013	$	16,426
2014	11,960
2015	8,770
2016	4,592
2017	1,076
Thereafter	98
Total	$	42,922