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Subsequent Events - Additional Information (Detail) - New Senior Credit Facilities [Member] - USD ($) | Oct. 01, 2016 | Sep. 30, 2016
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Subsequent Event [Line Items] |  |
Senior secured revolving credit facility current borrowing capacity |  | $ 100,000,000
Senior secured revolving credit facility maximum borrowing capacity |  | 133,000,000
Debt threshold limit after amendment |  | 39,900,000
Debt issuance costs |  | $ 3,700,000
Subsequent Event [Member] |  |
Subsequent Event [Line Items] |  |
Senior secured revolving credit facility current borrowing capacity | $ 133,000,000 |
Senior secured revolving credit facility maximum borrowing capacity | 143,000,000 |
Debt threshold limit after amendment | 42,900,000 |
Debt issuance costs | $ 300,000 |
Debt instrument threshold drawn percentage | 30.00% |

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- Definition Debt instrument threshold drawn percentage. + References No definition available. + Details
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- Definition Debt instrument threshold limit under amended facility. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28555-108399 + Details
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- Definition Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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Balance Type: | credit
Period Type: | instant

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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
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- Details
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- Details
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