Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2014

Commitments and Contingencies Disclosure [Abstract]

Aggregate Minimum Future Payments Required on Operating Leases

As of December 31, 2014, the approximate aggregate minimum future payments required on the operating leases are as follows:

2015	$	26,915
2016	28,098
2017	25,299
2018	24,263
2019	23,491
Thereafter	64,506
Total	$	192,572