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Leases - Supplemental Cash Flow and Other Information Related to Leases (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2019
USD ($)
Cash paid for amounts included in measurement of lease liabilities:  
Operating cash flows from operating leases $ 7,402
Operating cash flows from finance leases 24
Financing cash flows from finance leases 195
Right-of-use assets obtained in exchange for new lease liabilities:  
Operating leases 1,181
Finance leases $ 1,820