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Investments (Limited Partnership Investments) - Additional Information (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015 | Dec. 31, 2015
Schedule of Investments [Line Items] |  |  |  |  |
Recognized investment income (loss) |  |  | $ 54 | $ (2,862) |
Maximum exposure loss relating to VIE | $ 4,940 |  | 4,940 |  | $ 4,787
Cash distributions | 384 |  |  |  |
Limited Partnership [Member] |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Recognized investment income (loss) | 1,119 | $ (2,400) | 54 | $ (2,862) |
Company's contributed capital to the partnership | 31,946 |  | 31,946 |  | 27,276
Maximum exposure loss relating to VIE | $ 28,226 |  | $ 28,226 |  | $ 23,930

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- Definition Represents the amount of cumulative cash contribution to acquire limited partnership interest as of the reporting date. + 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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- Definition Amount of cash distribution paid to unit-holder of limited partnership (LP). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 272 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70434-108055 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 272 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055 + Details
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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 Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph b -URI http://asc.fasb.org/extlink&oid=64801991&loc=d3e5728-111685 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=64801991&loc=d3e5747-111685 + Details
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- Details
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