Debt - Term Loan Facility and Revolving Facility (Details) $ in Thousands		9 Months Ended
	Feb. 06, 2017 USD ($)	Sep. 30, 2020
Line of Credit Facility [Line Items]
Line of credit facility, current borrowing capacity	$ 2,500,000
Debt instrument, number of maturity date extensions	1 year
Revolving Facility | Minimum
Line of Credit Facility [Line Items]
Line of credit facility, unused capacity, commitment fee percentage		0.20%
Line of credit facility, facility fee percentage		0.125%
Revolving Facility | Maximum
Line of Credit Facility [Line Items]
Line of credit facility, unused capacity, commitment fee percentage		0.35%
Line of credit facility, facility fee percentage		0.30%
Line of Credit
Line of Credit Facility [Line Items]
Line of credit facility, additional borrowing capacity	$ 1,500,000
Debt covenant, net leverage ratio		8.00
Line of Credit | London Interbank Offered Rate (LIBOR)
Line of Credit Facility [Line Items]
Basis spread		1.00%
Line of Credit | Federal Funds Effective Swap Rate
Line of Credit Facility [Line Items]
Basis spread		0.50%
Line of Credit | Revolving Facility
Line of Credit Facility [Line Items]
Line of credit facility, current borrowing capacity	1,000,000
Line of Credit | Revolving Facility | London Interbank Offered Rate (LIBOR)
Line of Credit Facility [Line Items]
Basis spread		1.75%
Line of Credit | Revolving Facility | Minimum | London Interbank Offered Rate (LIBOR)
Line of Credit Facility [Line Items]
Basis spread		1.75%
Line of Credit | Revolving Facility | Minimum | Base Rate
Line of Credit Facility [Line Items]
Basis spread		0.75%
Line of Credit | Revolving Facility | Maximum | London Interbank Offered Rate (LIBOR)
Line of Credit Facility [Line Items]
Basis spread		2.30%
Line of Credit | Revolving Facility | Maximum | Base Rate
Line of Credit Facility [Line Items]
Basis spread		1.30%
Line of Credit | Term Loan Facility
Line of Credit Facility [Line Items]
Line of credit facility, current borrowing capacity	$ 1,500,000
Line of Credit | Term Loan Facility | London Interbank Offered Rate (LIBOR)
Line of Credit Facility [Line Items]
Basis spread		1.70%
Line of Credit | Term Loan Facility | Minimum | London Interbank Offered Rate (LIBOR)
Line of Credit Facility [Line Items]
Basis spread		1.70%
Line of Credit | Term Loan Facility | Minimum | Base Rate
Line of Credit Facility [Line Items]
Basis spread		0.70%
Line of Credit | Term Loan Facility | Maximum | London Interbank Offered Rate (LIBOR)
Line of Credit Facility [Line Items]
Basis spread		2.30%
Line of Credit | Term Loan Facility | Maximum | Base Rate
Line of Credit Facility [Line Items]
Basis spread		1.30%