Commitments and Contingent Liabilities - Guarantor Obligations (Details) $ in Thousands	Jun. 30, 2023 USD ($)
Letters of Credit:
Loss Contingencies [Line Items]
Total Amounts Committed	$ 181,202
Less Than 1 Year	181,202
1-3 Years	0
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	48,034
1-3 Years	0
3-5 Years	0
Beyond 5 Years	0
Letters of Credit: | Environmental
Loss Contingencies [Line Items]
Total Amounts Committed	398
Less Than 1 Year	398
1-3 Years	0
3-5 Years	0
Beyond 5 Years	0
Letters of Credit: | Other
Loss Contingencies [Line Items]
Total Amounts Committed	132,770
Less Than 1 Year	132,770
1-3 Years	0
3-5 Years	0
Beyond 5 Years	0
Surety Bonds:
Loss Contingencies [Line Items]
Total Amounts Committed	606,133
Less Than 1 Year	606,133
1-3 Years	0
3-5 Years	0
Beyond 5 Years	0
Surety Bonds: | Employee-Related
Loss Contingencies [Line Items]
Total Amounts Committed	81,010
Less Than 1 Year	81,010
1-3 Years	0
3-5 Years	0
Beyond 5 Years	0
Surety Bonds: | Environmental
Loss Contingencies [Line Items]
Total Amounts Committed	521,325
Less Than 1 Year	521,325
1-3 Years	0
3-5 Years	0
Beyond 5 Years	0
Surety Bonds: | Other
Loss Contingencies [Line Items]
Total Amounts Committed	3,798
Less Than 1 Year	3,798
1-3 Years	0
3-5 Years	0
Beyond 5 Years	$ 0