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Leases - Summary of Supplemental Cash Flow Information (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2019
USD ($)
Cash paid for amounts included in the measurement of lease liabilities  
Operating cash flows from operating leases $ 177
Operating cash flows from finance leases 4
Financing cash flows from financing leases 74
Total 255
Right-of-use assets obtained in exchange for obligations  
Operating leases 542
Finance leases 433
Total $ 975