Debt - Interest Rate (Details) - Secured Debt - Senior Secured Term Loan Facility	Feb. 15, 2019	Oct. 04, 2017
Debt Instrument [Line Items]
Debt instrument, interest rate, increase (decrease)	0.50%
Base Rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate (as a percent)	2.00%	1.50%
Eurodollar
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate (as a percent)		2.50%
Federal Funds Rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate (as a percent)		0.50%
London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate (as a percent)	3.00%	1.00%