Represents the amount of cumulative cash contribution to acquire limited partnership interest as of the reporting date.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Distributions from limited partnership for return on investment.

+ References

No definition available.

+ Details

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- Definition

This item represents the entity's proportionate share for the period of the net income (loss) of its limited partnership interests to which the equity method of accounting is applied and the holding of these interests is for investment purposes.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of cash distribution paid to unit-holder of limited partnership (LP).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
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-SubTopic 10
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-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70434-108055

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of funds committed to investment company from investors.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 205
-Section 50
-Paragraph 25
-URI http://asc.fasb.org/extlink&oid=25866437&loc=d3e10491-115837

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Balance Type:	credit
Period Type:	duration

- Definition

Total change in each class of partners' capital accounts during the year due to the return of partner's capital. That is, excess distributions over earnings to partners. All partners include general, limited and preferred partners.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
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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.

+ Details

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- Definition

The reporting entity's maximum amount of exposure to loss as a result of its involvement with the Variable Interest Entity (VIE).

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
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Investments (Limited Partnership Investments) - Additional Information (Detail) - USD ($) $ in Thousands	1 Months Ended		3 Months Ended		9 Months Ended
	Sep. 30, 2018	Feb. 28, 2018	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Schedule of Investments [Line Items]
Recognized investment income (loss)					$ 2,816	$ 1,724
Return on investment					1,495	854
Maximum exposure loss relating to VIE	$ 860		$ 860		860		$ 1,304
Real estate private equity funds and portfolios [Member]
Schedule of Investments [Line Items]
Committed capital	10,000	$ 5,000
Limited Partnership [Member]
Schedule of Investments [Line Items]
Recognized investment income (loss)			1,964	$ 392	2,816	1,724
Cash distributions			1,156		1,879	12,612
Return on investment			886	$ 428	1,495	854
Return of capital						$ 11,758
Company's contributed capital to the partnership	25,995		25,995		25,995		21,172
Maximum exposure loss relating to VIE	$ 28,944		$ 28,944		$ 28,944		$ 23,184