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Concentration of Credit Risk - Additional Information (Detail) (USD $) | 9 Months Ended |  |  |  |  |  |  |  | 9 Months Ended |  |
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Sep. 30, 2013 Institution | Jul. 31, 2013 | Sep. 30, 2013 Term Loan [Member] | Mar. 30, 2012 Term Loan [Member] | May 04, 2011 Term Loan [Member] | Sep. 30, 2013 Mortgage Payable [Member] | Jun. 30, 2013 Mortgage Payable [Member] | Jul. 11, 2008 Mortgage Payable [Member] | Sep. 30, 2013 Project Term Loan [Member] | Jul. 31, 2012 Project Term Loan [Member] | Sep. 30, 2013 Bahamian Deposit Insurance Corporation [Member] Maximum [Member]
Concentration Of Credit Risk [Line Items] |  |  |  |  |  |  |  |  |  |  |
Insurance amount | $ 250,000 |  |  |  |  |  |  |  |  |  | $ 50,000
Uninsured cash balance | 11,800,000 |  |  |  |  |  |  |  |  |  |
Number of financial institution in which cash is maintain | 1 |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate, points |  | 0.75% | 1.00% | 5.00% | 5.00% | 1.00% |  | 0.75% | 5.00% |  |
Interest obligation from basis points variation, per month |  |  | 4,200 |  |  | 900 |  |  | 8,300 |  |
Credit risk maturity period |  |  |  |  |  | 2016-07 |  |  |  |  |
Basis spread on variable rate, points |  |  |  |  |  |  |  |  | 1.00% |  |
Project term loan | $ 1,280,500 |  |  | $ 5,000,000 | $ 5,000,000 |  | $ 1,302,000 | $ 2,580,000 | $ 10,000,000 | $ 10,000,000 |

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- Definition Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 7 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) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: 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 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20, 22 -Article 5 Reference 6: 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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