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Significant Accounting Policies - Estimated Useful Lives (Details)
Dec. 31, 2023
Commercial buildings  
Real Estate and Depreciation  
Estimated useful life 39 years
Building improvements | Minimum  
Real Estate and Depreciation  
Estimated useful life 15 years
Building improvements | Maximum  
Real Estate and Depreciation  
Estimated useful life 39 years
Fixtures and equipment | Minimum  
Real Estate and Depreciation  
Estimated useful life 3 years
Fixtures and equipment | Maximum  
Real Estate and Depreciation  
Estimated useful life 7 years