Income Taxes - Tax Effect of Significant Temporary Differences (Details) - CTRS - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Income Taxes [Line Items]
Income from unconsolidated joint ventures	$ 27	$ 32
Federal and state tax net operating loss carryforwards	1,163	696
Federal and state tax capital loss carryforwards	570	582
Other asset	0	104
Gross deferred tax asset	1,760	1,414
Valuation allowance	(1,760)	(1,414)
Net deferred tax asset after valuation allowance	0	0
Net deferred tax asset	$ 1,800	$ 1,400

Deferred tax assets operating loss carryforwards federal and state.

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[Line Items] for Income Taxes [Table]

+ References

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible capital loss carryforwards.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from equity method investments.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting.

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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