Derivative Financial Instruments - Interest Rate Swaps Narrative (Details) $ in Millions	1 Months Ended	12 Months Ended
	Nov. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Jul. 31, 2015 agreement
Credit Derivatives [Line Items]
Interest expense | $		$ 69.0	$ 78.8
Interest rate swap | PPA Company V
Credit Derivatives [Line Items]
Breakage fees paid to terminate contract | $	$ 11.5
Interest expense | $	$ 10.9
Cash flow hedging | Interest rate swap | PPA Company V
Credit Derivatives [Line Items]
Number of swap agreements entered into | agreement				9
Derivative, notional amount | $		$ 0.0	$ 181.4
Cash flow hedging | Interest rate swap maturing In 2016 | PPA Company V
Credit Derivatives [Line Items]
Number of swap agreements entered into | agreement				3
Cash flow hedging | Interest rate swap maturing December 21, 2021 | PPA Company V
Credit Derivatives [Line Items]
Number of swap agreements entered into | agreement				3
Cash flow hedging | Interest rate swap maturing September 30, 2031 | PPA Company V
Credit Derivatives [Line Items]
Number of swap agreements entered into | agreement				3