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Commitments and Contingencies (Tables)
9 Months Ended
Sep. 30, 2015
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Future Minimum Rental Payments for Operating Leases
At September 30, 2015, the approximate minimum future commitments payable under non-cancelable contracts for leased premises are as follows:
(in thousands)
2015

2016

2017

2018

2019

Thereafter

Total

Operating leases1
$
941

$
3,763

$
3,755

$
3,784

$
3,526

$
6,678

$
22,447


 1 Minimum payments have not been reduced by minimum sublease rentals of $271 thousand due in the future under non-
cancelable subleases.