Leases - Schedule of Concentration Risk Percentage (Details) - Sales Revenue Net - Customer Concentration Risk	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Pratt And Whitney Corporation | Huntsville, AL
Product Information [Line Items]
Pratt and Whitney – Huntsville, AL property	14.50%	18.60%
General Services Administration | Norfolk, VA
Product Information [Line Items]
Pratt and Whitney – Huntsville, AL property	19.50%	24.00%
PRA Holding | Norfolk, VA
Product Information [Line Items]
Pratt and Whitney – Huntsville, AL property		10.50%
PRA Holding | Norfolk, VA | Maximum
Product Information [Line Items]
Pratt and Whitney – Huntsville, AL property	10.00%
Maersk Inc | Norfolk, VA
Product Information [Line Items]
Pratt and Whitney – Huntsville, AL property	16.10%	20.00%