Income Taxes (Tax Effect of Significant Temporary Differences) (Details) - CTRS - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Income Taxes [Line Items]
Income from unconsolidated joint ventures	$ 19
Income from unconsolidated joint ventures		$ (188)
Federal and state tax carryforwards	590	514
Total deferred tax assets	609	326
Valuation allowance	(609)	(326)
Net deferred tax asset	$ 0	$ 0

Deferred tax assets operating loss carryforwards federal and state.

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- Definition

[Line Items] for Income Taxes [Table]

+ References

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from equity method investments.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
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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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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 of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Amount of deferred tax liability attributable to taxable temporary differences from investments in unconsolidated subsidiaries and investments in other affiliates which are not controlled nor consolidated.

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