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Investments - Schedule of Investments in Fixed Maturity Securities (Detail) - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Schedule of Available-for-sale Securities [Line Items] |  |
Cost | $ 18,094 | $ 19,821
Gross Unrealized Gains | 40 | 53
Gross Unrealized Losses | (42) | (12)
Fair Value | 18,092 | 19,862
U.S. Treasury securities, obligations of U.S. Government agencies and Municipals |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Cost | 11,876 | 10,774
Gross Unrealized Gains | 6 | 7
Gross Unrealized Losses | (26) | (1)
Fair Value | 11,856 | 10,780
Foreign government |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Cost | 50 | 50
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | 0 | 0
Fair Value | 50 | 50
Corporate debt |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Cost | 4,505 | 5,854
Gross Unrealized Gains | 7 | 9
Gross Unrealized Losses | (16) | (11)
Fair Value | 4,496 | 5,852
Short duration fixed income fund |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Cost | 1,663 | 3,143
Gross Unrealized Gains | 27 | 37
Gross Unrealized Losses | 0 |
Fair Value | $ 1,690 | $ 3,180

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- Definition Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt securities classified as available-for-sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563 + Details
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- Definition This item represents the cost of debt securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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