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Commitments and Contingencies (Tables)
 12 Months Ended
Dec. 31, 2016
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Future Minimum Rental Payments for Operating Leases
The following table summarizes the Company's future minimum lease payments under non-cancelable operating leases and related sublease income at December 31, 2016:
 
 
2017
 
2018
 
2019
 
2020
 
2021
 
Thereafter
 
Total
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
(in thousands)
Operating lease obligations
 
$
8,128

 
$
8,530

 
$
6,373

 
$
3,305

 
$
1,227

 
$
668

 
$
28,231

Operating sublease income
 
(601
)
 
(382
)
 
(96
)
 
—

 
—

 
—

 
(1,079
)
Total
 
$
7,527

 
$
8,148

 
$
6,277

 
$
3,305

 
$
1,227

 
$
668

 
$
27,152