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Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2014
Commitments and Contingencies Disclosure [Abstract]  
Future Minimum Rental Commitments Under Non-Cancelable Leases
Future minimum rental commitments under non-cancelable leases as of December 31, 2014 are as follows (in thousands):
Year Ending December 31,
Amount
2015
$
2,290

2016
1,938

2017
1,485

2018
668

2019
601

Thereafter
815

Total
$
7,797