Income Taxes , Narrative (Details) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Operating Loss Carryforwards [Line Items]
Ordinary Dividend Taxable, Percent		9899.499%
Minimum Percent of Income From Qualifying Sources to Allow For Real Estate Investment Trust Classification	95.00%
Operating Loss Carryforwards		$ 119,000,000
Operating Loss Carryforwards, After Tax		24,800,000
Deferred Tax Assets, Operating Loss Carryforwards		26,244,000	$ 19,504,000	$ 18,009,000
Unrecognized Tax Benefits	$ 0
Unrecognized Tax Benefits, Period Increase (Decrease)		0
Required Minimum Percent of Taxable Income Distributed to Stock Holders	90.00%
Current		$ 1,054,000	1,539,000	919,000
Ordinary Tax Dividend, Percent Qualified Dividend		1.00501%
Unrecognized Tax Benefits, Interest on Income Taxes Expense		$ 0	0	$ 0
Federal
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards		116,500,000
Deferred Tax Assets, Operating Loss Carryforwards		$ 24,500,000
Foreign Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards			6,900,000
Deferred Tax Assets, Operating Loss Carryforwards			$ 1,800,000