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Lease Supplemental Cash Flow Information Related to Leases (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 operating leases $ 642
Operating cash flows from finance leases 6
Financing cash flows from finance leases 20
Right-of-use assets obtained in exchange for lease obligations:  
Operating leases 1,638
Finance leases $ 0