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