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Leases and Other - Schedule of Estimated Future Minimum Rentals Under Non-cancellable Leases (Details)
$ in Thousands
Mar. 31, 2019
USD ($)
Future Minimum Sublease Rentals Under Non-cancellable Leases  
Remainder of 2019 $ 1,511
2020 1,674
2021 1,845
2022 1,512
2023 1,415
Thereafter 2,795
Total minimum sublease rents $ 10,752