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 rental payments required under operating leases that have either initial or remaining noncancelable lease terms in excess of one year as of December 31, 2012 are as follows:

For the Years Ending December 31,	Minimum Rental Payments
2013	$	18,800
2014	15,442
2015	11,773
2016	9,854
2017	7,228
After 2017	15,300