Commitments and Contingent Liabilities - Guarantor Obligations (Details) $ in Thousands	Dec. 31, 2023 USD ($)
Letters of Credit:
Loss Contingencies [Line Items]
Total Amounts Committed	$ 183,273
Less Than 1 Year	142,479
1-3 Years	40,794
3-5 Years	0
Beyond 5 Years	0
Letters of Credit: | Employee-Related
Loss Contingencies [Line Items]
Total Amounts Committed	48,034
Less Than 1 Year	31,884
1-3 Years	16,150
3-5 Years	0
Beyond 5 Years	0
Letters of Credit: | Environmental
Loss Contingencies [Line Items]
Total Amounts Committed	398
Less Than 1 Year	0
1-3 Years	398
3-5 Years	0
Beyond 5 Years	0
Letters of Credit: | Other
Loss Contingencies [Line Items]
Total Amounts Committed	134,841
Less Than 1 Year	110,595
1-3 Years	24,246
3-5 Years	0
Beyond 5 Years	0
Surety Bonds:
Loss Contingencies [Line Items]
Total Amounts Committed	607,792
Less Than 1 Year	607,792
1-3 Years	0
3-5 Years	0
Beyond 5 Years	0
Surety Bonds: | Employee-Related
Loss Contingencies [Line Items]
Total Amounts Committed	80,210
Less Than 1 Year	80,210
1-3 Years	0
3-5 Years	0
Beyond 5 Years	0
Surety Bonds: | Environmental
Loss Contingencies [Line Items]
Total Amounts Committed	523,715
Less Than 1 Year	523,715
1-3 Years	0
3-5 Years	0
Beyond 5 Years	0
Surety Bonds: | Other
Loss Contingencies [Line Items]
Total Amounts Committed	3,867
Less Than 1 Year	3,867
1-3 Years	0
3-5 Years	0
Beyond 5 Years	$ 0