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Subsequent Events - Loan Program Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended
May 06, 2020
Apr. 21, 2020
Apr. 20, 2020
Forecast      
Subsequent Event [Line Items]      
Expected maximum availability from CARES Act Loan Program $ 741    
Term 5 years    
Percent of final loan principal amount to determine amount of stock issued 10.00%    
Shares of common stock subject to warrants issued to the United States Treasury (in shares) 5,300,000    
Forecast | London Interbank Offered Rate (LIBOR)      
Subsequent Event [Line Items]      
Basis spread on variable rate 3.50%    
Subsequent Event      
Subsequent Event [Line Items]      
Strike price (USD per share)     $ 14.08
Shares of common stock subject to warrants issued to the United States Treasury (in shares)   143,541