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Summary of Significant Accounting Policies (Narrative) (Details) - USD ($)
 3 Months Ended 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2025
Summary Of Significant Accounting Policies [Line Items]      
Impairment recognized $ 0 $ 0  
Goodwill 178,800,000 178,800,000 $ 178,800,000
Intangible assets $ 18,000,000 $ 15,800,000 $ 18,000,000
U.S. statutory income tax rate     21.00%
ASU No: 2023-09 [Member]      
Summary Of Significant Accounting Policies [Line Items]      
Change in accounting principle, accounting standards update, adopted true   true
Change in accounting principle, accounting standards update, immaterial effect true   true
ASU No: 2023-07 [Member]      
Summary Of Significant Accounting Policies [Line Items]      
Change in accounting principle, accounting standards update, adoption date Jan. 01, 2024   Jan. 01, 2024
Change in accounting principle, accounting standards update, adopted true   true
Change in accounting principle, accounting standards update, immaterial effect true   true
Minimum [Member]      
Summary Of Significant Accounting Policies [Line Items]      
Property, equipment and leasehold improvements, estimated useful lives 3 years   3 years
Minimum [Member] | Software [Member]      
Summary Of Significant Accounting Policies [Line Items]      
Property, equipment and leasehold improvements, estimated useful lives 5 years   5 years
Minimum [Member] | Real Estate And Fleet Leases [Member]      
Summary Of Significant Accounting Policies [Line Items]      
Property, equipment and leasehold improvements, estimated useful lives 4 years   4 years
Maximum [Member]      
Summary Of Significant Accounting Policies [Line Items]      
Property, equipment and leasehold improvements, estimated useful lives 30 years   30 years
Maximum [Member] | Software [Member]      
Summary Of Significant Accounting Policies [Line Items]      
Property, equipment and leasehold improvements, estimated useful lives 7 years   7 years
Maximum [Member] | Real Estate And Fleet Leases [Member]      
Summary Of Significant Accounting Policies [Line Items]      
Property, equipment and leasehold improvements, estimated useful lives 6 years   6 years