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Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2018
Commitments and Contingencies Disclosure [Abstract]  
Schedule of future minimum lease payments Future minimum lease payments as of December 31, 2018 under noncancellable operating leases are as follows:
(in thousands)
Future Lease
Payments
2019$3,413 
20202,058 
20211,790 
20221,640 
20231242 
Thereafter2,396 
Total$12,539