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Commitments and Contingencies (Tables)
3 Months Ended
Mar. 31, 2015
Commitments and Contingencies Disclosure [Abstract]  
Future Minimum Lease Payments Under Noncancelable Operating Leases
At March 31, 2015, future minimum lease payments under operating leases having initial or remaining noncancelable lease terms in excess of one year are as follows:
2015
$
2,914

2016
4,227

2017
2,709

2018
1,360

2019
1,276

2020
1,311

Thereafter
1,118

Total
$
14,915