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Fair Value Measurements - Additional Information (Detail) - USD ($) | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Loans Receivable [Line Items] |  |
Level 1 to Level 2 transfers | $ 0 | $ 0
Level 2 to Level 1 transfers | 0 | 0
Level 1 to Level 2 transfers | 0 | 0
evel 2 to Level 1 transfers | 0 | 0
Liabilities measured at fair value on nonrecurring basis | $ 0 | 0
Level 3 |  |
Loans Receivable [Line Items] |  |
Liabilities measured at fair value on a recurring basis |  | $ 0

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- Definition Amount of transfers of assets measured on a recurring basis out of Level 1 of the fair value hierarchy into Level 2. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bb) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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- Definition Fair value of financial and nonfinancial obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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