Schedule IV - Mortgage Loans on Real Estate (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Face Amount of Mortgages	$ 3,000
Carrying amount of mortgages	2,011	$ 2,468	$ 0
Principal Amount of Loans Subject to Delinquent Principal or Interest	0
SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward]
Balance at beginning of year	2,468	0	0
New mortgage loans	0	3,000	3,100
Deductions during the year:
Collections of principal	(486)	(374)	(3,100)
Other: (Credit losses) recoveries	(29)	158	0
Foreclosures	0	0	0
Balance at the close of year	2,011	2,468	0
Mortgages held, federal income tax basis	2,011	2,468	0
Mortgages accepted in connection with real estate transactions	$ 0	$ 3,000	$ 3,100
2 properties in VA
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	7.00%
Face Amount of Mortgages	$ 3,000
Carrying amount of mortgages	2,011
Principal Amount of Loans Subject to Delinquent Principal or Interest	0
Deductions during the year:
Balance at the close of year	$ 2,011