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Related-Party Arrangements - Additional Information (Detail) (USD $) |  | 1 Months Ended | 9 Months Ended
--- | --- | --- | ---
Sep. 30, 2014 | Oct. 31, 2013 Principal stockholder | Oct. 31, 2007 Principal stockholder | Oct. 31, 2013 Principal stockholder Amended Agreement | Sep. 30, 2014 Principal stockholder Loan Arrangement | Sep. 30, 2014 Principal stockholder Loan Arrangement Maximum | Sep. 30, 2014 Principal stockholder Loan Arrangement Minimum | Sep. 30, 2014 Related Party Debt Letter Agreement | Sep. 30, 2014 Related Party Debt Letter Agreement LIBOR
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |
Loan agreement with related party |  | $ 370,000,000 | $ 350,000,000 |  |  |  |  |  |
Promissory note maturity date |  |  |  | Jan. 05, 2020 |  |  |  |  |
Principal amount outstanding under credit facility |  |  |  |  | 49,500,000 |  |  |  |
Amount available for future borrowings | 30,100,000 |  |  |  | 30,100,000 |  |  |  |
Fixed borrowing rate |  |  |  |  | 5.84% |  |  |  |
Interest payable |  |  |  |  | 2,800,000 |  |  |  |
Amount prepaid for cancellation of indebtedness |  |  |  |  |  | 200,000,000 |  |  |
Number of months advances outstanding |  |  |  |  |  |  | 12 months |  |
Related party transaction prepayment period |  |  |  |  | 90 days |  |  |  |
Aggregate principal amount cancelled |  |  |  |  | 105,000,000 |  |  |  |
Interest rate (LIBOR) |  |  |  |  |  |  |  |  | 5.00%
Description of variable rate interest |  |  |  |  |  |  |  | The interest rate will increase to the one-year LIBOR calculated on the date of the initial advance or in effect on the date of default, whichever is greater, plus 5% per annum. |
Additional borrowings | $ 0 |  |  |  |  |  |  |  |

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- Definition Available borrowings under the loan agreement. + References No definition available. + Details
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- Definition Available Loan Balance Cancelled + References No definition available. + Details
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- Definition Loan agreement with related party. + References No definition available. + Details
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- Definition Number of months advances outstanding. + References No definition available. + Details
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- Definition Related Party Transaction Debt Instrument Prepayment + References No definition available. + Details
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- Definition Related party transaction prepayment period. + References No definition available. + Details
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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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- Definition The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR. + References No definition available. + Details
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- Definition Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 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 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of interest payable on debt, including, but not limited to, trade payables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.15(5)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.15(a)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Subparagraph a -Article 7 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Subparagraph 5 -Article 9 + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 20, 22 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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- Definition The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate. + 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 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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