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Leases - Summary of Cash Paid for Amounts Included in Measurement of Lease Liabilities (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2019
USD ($)
Cash paid for amounts included in the measurement of lease liabilities:  
Operating cash flows from finance leases $ 113
Operating cash flows from operating leases 2,181
Financing cash flows from finance leases $ 46