Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2013

Commitments and Contingencies Disclosure [Abstract]

Approximate Aggregate Minimum Future Rental Payments Required

As of December 31, 2013, the approximate aggregate minimum future rental payments required were as follows (in thousands):

2014	$	15,398
2015	14,544
2016	12,971
2017	12,686
2018	10,459
Thereafter	16,836
Total	$	82,894