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Significant Accounting Policies (Narrative) (Details) - USD ($)
Jun. 30, 2026
Dec. 31, 2025
Significant Accounting Policies [Abstract]    
Amount of restricted net assets for consolidated and unconsolidated subsidiaries $ 157,000,000  
Certificates of deposit at carrying value 2,000,000  
Real estate held for sale $ 0 $ 4,000,000