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Revenue from Contracts with Customers (Details) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Revenue from Contract with Customer [Abstract]      
Performance obligation satisfied in previous period $ 0 $ 0  
Change in estimate of transaction price 0 0  
Change in total estimated cost 0 0  
Loss on contracts 0 $ 0  
Change in net contract liabilities 50,300,000    
Contract asset impairment 0   $ 0
Remaining performance obligations $ 4,423,899,000