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Commitments and Contingencies - Lease Liabilities (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Commitments and Contingencies Disclosure [Abstract]    
Current portion included in accrued and other current liabilities $ 1,807 $ 1,679
Long-term portion of lease liabilities 51,536 51,349 [1]
Total operating lease liabilities $ 53,343 $ 53,028
[1] The balance sheet as of December 31, 2019 is derived from the audited financial statements as of that date.