Derivative Financial Instruments - Narrative (Details) $ in Thousands	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Jan. 22, 2019 USD ($) derivativeInstrumentHeld
Derivative [Line Items]
Derivative liabilities	$ 228,145	$ 117,327
Number of cash flows entered into | derivativeInstrumentHeld			3
Derivative, notional amount	16,925,400	15,841,300
Existing loss expected to be reclassified into earnings	(49,300)
Variable Rate Debt
Derivative [Line Items]
Long-term debt	2,000,000		$ 2,000,000
Other Current Assets
Derivative [Line Items]
Derivative assets	139,300	72,100
Other Current Liabilities
Derivative [Line Items]
Derivative liabilities	127,700
Derivative, notional amount		$ 60,900
Other Long Term Assets
Derivative [Line Items]
Derivative assets	16,600
Other Long Term Liabilities
Derivative [Line Items]
Derivative liabilities	$ 12,500