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Line of Credit - Additional Information (Detail) (USD $) | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Aug. 01, 2012 | Dec. 31, 2012 | Jun. 30, 2012
Line of Credit Facility [Line Items] |  |  |
Credit agreement borrowings maximum |  | $ 35,000,000 |
Credit agreement borrowing, available amount |  |  | 26,000,000
Revolving line of credit agreement, expiration date |  | Jul. 30, 2015 |
Loan agreement interest rate descriptions |  | For advances that are not Eurodollar rate loans, referred to as “domestic rate loans” in the Credit Agreement, annual interest will accrue at a rate equal to 0.75% plus the higher of (i) PNC’s stated commercial lending rate in effect on such day, (ii) the Federal Funds Open Rate (as defined in the Credit Agreement; essentially the daily federal funds open rate as quoted by ICAP North America, Inc. (or any successor) as published by Bloomberg) in effect on such day plus 0.5%, and (iii) the sum of the Daily LIBOR Rate (as defined in the Credit Agreement; essentially the rate resulting from dividing (x) the daily London Interbank Offered Rates published in the Wall Street Journal for a one month period by (y) a number equal to 1.00 minus the Board of Governors of the Federal Reserve System’s reserve percentage with respect to eurocurrency funding) in effect on such day plus 1.0%. The Borrowers may also obtain Eurodollar rate loans under the revolving line of credit. Eurodollar rate loans will accrue annual interest at a rate equal to the sum of 2.25% plus the Eurodollar Rate (as defined in the Credit Agreement; essentially the rate resulting from dividing (x) the rates at which US dollar deposits are offered by leading banks in the London interbank deposit market as published by Bloomberg, by (y) a number equal to 1.00 minus the Board of Governors of the Federal Reserve System’s reserve percentage with respect to eurocurrency funding). |
Fees paid by borrowers to PNC |  | 175,000 |
Percentage of fee paid on undrawn amount of loan |  | 0.50% |
Payment for line of credit outstanding balance | 14,100,000 |  |
Outstanding borrowings |  | 16,200,000 |
Interest rate on borrowings |  | 3.53% |
Amount reserved for outstanding letters of credit |  | $ 12,600,000 |
Domestic Rate Loans |  |  |
Line of Credit Facility [Line Items] |  |  |
Loan agreement interest base rate |  | 0.75% |
Loan agreement interest basis spread |  | 2.00% |
Eurodollar Loans |  |  |
Line of Credit Facility [Line Items] |  |  |
Loan agreement interest base rate |  | 2.25% |
Scenario 1 |  |  |
Line of Credit Facility [Line Items] |  |  |
Termination fee, percentage of maximum amount of revolving line of credit |  | 2.00% |
Scenario 1 | Maximum |  |  |
Line of Credit Facility [Line Items] |  |  |
Termination date of prepayment of advances |  | Jul. 31, 2013 |
Scenario 2 |  |  |
Line of Credit Facility [Line Items] |  |  |
Termination fee, percentage of maximum amount of revolving line of credit |  | 1.00% |
Scenario 2 | Maximum |  |  |
Line of Credit Facility [Line Items] |  |  |
Termination date of prepayment of advances |  | Jul. 31, 2014 |
Federal Funds Open Rate | Domestic Rate Loans |  |  |
Line of Credit Facility [Line Items] |  |  |
Loan agreement interest basis spread |  | 0.50% |
Euro Currency Rate Loans | Domestic Rate Loans |  |  |
Line of Credit Facility [Line Items] |  |  |
Loan agreement interest basis spread |  | 1.00% |

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- Definition Line Of Credit Facility Advances Prepayment Date + References No definition available. + Details
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- Definition Percentage of Termination Fees + References No definition available. + Details
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- Definition The average effective interest rate during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 3: 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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- Definition Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets. + 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)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 2, 4 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Amount of the fee for available but unused credit capacity under the credit 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 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 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 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 Date the credit facility terminates, in CCYY-MM-DD format. + 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 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 Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 2, 4 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: 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 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 fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility. + References No definition available. + Details
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- Definition The cash outflow to pay off an obligation from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with either short term or long term maturity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 18 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3291-108585 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 20 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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