Summary of Significant Accounting Policies and Procedures and Newly Adopted Accounting Standards - Depreciation and Amortization (Details)	12 Months Ended
	Dec. 31, 2020
Buildings | Minimum
Depreciation and Amortization
Estimated useful life (in years)	25 years
Buildings | Maximum
Depreciation and Amortization
Estimated useful life (in years)	35 years
Building improvements | Minimum
Depreciation and Amortization
Estimated useful life (in years)	4 years
Building improvements | Maximum
Depreciation and Amortization
Estimated useful life (in years)	35 years
Equipment | Minimum
Depreciation and Amortization
Estimated useful life (in years)	5 years
Equipment | Maximum
Depreciation and Amortization
Estimated useful life (in years)	25 years