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Commitments and Contingencies - Indemnification Obligations (Details) - Indemnifications
12 Months Ended
Dec. 31, 2019
USD ($)
claim
Dec. 31, 2018
USD ($)
claim
Loss Contingencies [Line Items]    
Losses related to indemnification obligations $ 0 $ 0
Number of claims outstanding | claim 0 0
Reserves established $ 0 $ 0