Summary of Significant Accounting Policies - Estimated useful lives (Details)	12 Months Ended
	Dec. 31, 2021
Building [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives	39 years
Improvements [Member] | Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives	7 years
Improvements [Member] | Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives	15 years
Furniture, fixtures and equipment [Member] | Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives	3 years
Furniture, fixtures and equipment [Member] | Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives	7 years