Class of warrant or right number of warrants issued during period.

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- Definition

Class Of Warrant Or Right Value Of Warrants Issued During Period

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No definition available.

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- Definition

Number Of Warrants Issued

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No definition available.

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- Definition

Percentage over members capital account for purchase price.

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- Definition

Sale of stock consideration received on transaction in private placement.

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No definition available.

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- Definition

Subscription from membership interest maximum capital amount in private placement.

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No definition available.

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- Definition

Subscription From Membership Interest Maximum Capital Amount In Private Placement Additional

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No definition available.

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- Definition

Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
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- Definition

Amount of expense (income) related to adjustment to fair value of warrant liability.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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- Definition

Amount of cash outflow to a noncontrolling interest. Includes, but not limited to, reduction of noncontrolling interest ownership. Excludes dividends paid to the noncontrolling interest.

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- Definition

The percentage rate used to calculate dividend payments on preferred stock.

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No definition available.

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- Definition

The carrying amount of the consolidated Variable Interest Entity's assets included in the reporting entity's statement of financial position.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 3
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The carrying amount of the consolidated Variable Interest Entity's liabilities included in the reporting entity's statement of financial position.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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Consolidation of Variable Interest Entities - Additional Information (Detail) - USD ($)	1 Months Ended				3 Months Ended
	Oct. 31, 2017	Jan. 31, 2017	Aug. 31, 2016	Dec. 31, 2013	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018	Oct. 31, 2016
Variable Interest Entity [Line Items]
Total assets of VIEs					$ 16,600,000		$ 19,300,000
Total liabilities of VIEs					11,600,000		$ 12,600,000
Comstock Investors VIII, L.C [Member]
Variable Interest Entity [Line Items]
Cumulative, compounded, preferred return rate				20.00%
Percentage of cumulative cash on cash return				20.00%
Comstock Investors VIII, L.C [Member] \| Class B [Member]
Variable Interest Entity [Line Items]
Distribution to non-controlling interests		$ 1,900,000
Comstock Investors VIII, L.C [Member] \| Class A [Member]
Variable Interest Entity [Line Items]
Number of warrants issued				15
Aggregate fair value of warrants for investors				$ 131,000
Comstock Investors VIII, L.C [Member] \| Subsidiaries [Member] \| Private Placement [Member] \| Class B [Member]
Variable Interest Entity [Line Items]
Initial aggregate principal amount up to capital raise				$ 4,000,000
Comstock Investors X, L.C. [Member]
Variable Interest Entity [Line Items]
Cumulative, compounded, preferred return rate			6.00%
Aggregate capital raise	$ 19,500,000
Additional capital raised	$ 5,000,000
Warrants issued	50,000
Aggregate fair value	$ 81,000
Preferred distribution					$ 0	$ 0
Comstock Investors X, L.C. [Member] \| Class A [Member]
Variable Interest Entity [Line Items]
Number of warrants issued			150,000
Aggregate fair value of warrants for investors			$ 258,000
Comstock Investors X, L.C. [Member] \| Private Placement [Member]
Variable Interest Entity [Line Items]
Aggregate capital raise			14,500,000					$ 14,500,000
Comstock Investors X, L.C. [Member] \| Subsidiaries [Member] \| Private Placement [Member] \| Class B [Member]
Variable Interest Entity [Line Items]
Initial aggregate principal amount up to capital raise			$ 5,000,000
Comstock Development Services LC [Member] \| Private Placement [Member]
Variable Interest Entity [Line Items]
Aggregate capital raise								$ 9,500,000