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Fair Value Measurements - Summary of Fair Value and Carrying Value of Assets and Liabilities Measured on Recurring and Non-recurring Basis (Detail) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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|---|---|---|---|---|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Cash and cash equivalents | $ 25,646 | $ 26,341 | $ 18,566 | $ 14,889 |
| Loan to joint venture | 9,830 | 9,830 | ||
| Long-term debt, including current portion | (744,634) | (735,701) | ||
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Carrying Amount Asset/(Liability) [Member] | Fair Value Measurements, Recurring [Member] | Level 1 [Member]
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Cash and cash equivalents | 25,646 | 26,341 | ||
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Carrying Amount Asset/(Liability) [Member] | Fair Value Measurements, Recurring [Member] | Level 2 [Member] | Interest rate swaps [Member]
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Interest rate swap agreements | (25,268) | (33,631) | ||
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Carrying Amount Asset/(Liability) [Member] | Fair Value Measurements, Non-recurring [Member] | Level 2 [Member]
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Vessels and equipment | 0 | 252,068 | ||
| Vessel held for sale | 0 | 9,114 | ||
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Carrying Amount Asset/(Liability) [Member] | Fair Value Measurements, Other [Member]
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Loan to joint venture | 9,830 | 9,830 | ||
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Carrying Amount Asset/(Liability) [Member] | Fair Value Measurements, Other [Member] | Level 2 [Member]
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Long-term debt, including current portion | (744,634) | (735,701) | ||
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Carrying Amount Asset/(Liability) [Member] | Fair Value Measurements, Other [Member] | Level 3 [Member]
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Investment in term loans and interest receivable | 136,061 | 119,385 | ||
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Fair Value Asset/(Liability) [Member] | Fair Value Measurements, Recurring [Member] | Level 1 [Member]
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Cash and cash equivalents | 25,646 | 26,341 | ||
|
Fair Value Asset/(Liability) [Member] | Fair Value Measurements, Recurring [Member] | Level 2 [Member] | Interest rate swaps [Member]
|
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Interest rate swap agreements | (25,268) | (33,631) | ||
|
Fair Value Asset/(Liability) [Member] | Fair Value Measurements, Non-recurring [Member] | Level 2 [Member]
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Vessels and equipment | 0 | 252,068 | ||
| Vessel held for sale | 0 | 9,114 | ||
|
Fair Value Asset/(Liability) [Member] | Fair Value Measurements, Other [Member] | Level 2 [Member]
|
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Long-term debt, including current portion | (679,910) | (648,724) | ||
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Fair Value Asset/(Liability) [Member] | Fair Value Measurements, Other [Member] | Level 3 [Member]
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Investment in term loans and interest receivable | $ 134,857 | $ 117,784 |