Commitments and Contingencies - Available Lines of Credit, Outstanding Standby Letter of Credits, and Bonds (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023	Oct. 18, 2019
Line of Credit Facility [Line Items]
Multicurrency revolving line of credit			$ 500,000
Net available for additional standby LOCs under sub-facility	$ 247,585	$ 240,941
Credit Facility [Member]
Line of Credit Facility [Line Items]
Multicurrency revolving line of credit	500,000	500,000
Letters of Credit Outstanding, Amount	(52,415)	(59,059)
Line of Credit Facility, Remaining Borrowing Capacity	247,600
Unsecured Multicurrency Revolving Lines of Credit [Member]
Line of Credit Facility [Line Items]
Multicurrency revolving line of credit	90,206	84,318
Letters of Credit Outstanding, Amount	(21,992)	(21,853)
Short-term borrowings	0	0
Line of Credit Facility, Remaining Borrowing Capacity	68,214	62,465
Surety Bond [Member]
Line of Credit Facility [Line Items]
Unsecured surety bonds in force	271,184	271,164
Line of Credit [Member]
Line of Credit Facility [Line Items]
Long-term Line of Credit	0	0
Line of Credit Facility, Remaining Borrowing Capacity	$ 447,585	$ 440,941