Debt - Other Credit Facilities - Narrative (Details) - USD ($)	Jun. 30, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Letters of credit issued	$ 215,800,000	$ 188,500,000
Other Credit Facilities
Debt Instrument [Line Items]
Long-term debt obligations	0	0
Standby Letters of Credit | Line of Credit
Debt Instrument [Line Items]
Letters of credit issued	$ 18,300,000	$ 22,200,000
Standby Letters of Credit | Line of Credit | Letters of Credit
Debt Instrument [Line Items]
Line of credit facility, interest rate (percentage)	0.50%	0.40%