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Commitments and Contingencies - Narrative (Details)
12 Months Ended
Dec. 31, 2019
Minimum  
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]  
Payment period 6 months
Maximum  
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]  
Payment period 12 months