Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2014

Commitments and Contingencies Disclosure [Abstract]

Approximate Aggregate Minimum Future Rental Payments Required

As of December 31, 2014, the approximate aggregate minimum future rental payments required were as follows (in thousands):

2015	$	14,189
2016	13,270
2017	13,738
2018	12,176
2019	10,634
Thereafter	16,942
Total	$	80,949