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Derivative Instruments and Hedging Activities - Effect of Gain (Loss) on Derivatives Not Designated as Hedging Instruments (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Derivatives, Fair Value [Line Items] |  |  |
Realized and unrealized gains on non-designated derivative instruments (note 9) | $ 449 | $ 4,817 | $ 467
Realized Gain (Loss) on Derivative Instruments |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Realized and unrealized gains on non-designated derivative instruments (note 9) | 4,158 | 1,595 | (1,878)
Unrealized Gain (Loss) on Derivative Instruments |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Realized and unrealized gains on non-designated derivative instruments (note 9) | (3,709) | 3,222 | 2,345
Forward freight agreements | Realized Gain (Loss) on Derivative Instruments |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Realized and unrealized gains on non-designated derivative instruments (note 9) | (10) | 1,484 | (572)
Forward freight agreements | Unrealized Gain (Loss) on Derivative Instruments |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Realized and unrealized gains on non-designated derivative instruments (note 9) | 0 | 4 | (4)
Interest Rate Swap Agreements | Realized Gain (Loss) on Derivative Instruments |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Realized and unrealized gains on non-designated derivative instruments (note 9) | 953 | 532 | (1,275)
Interest Rate Swap Agreements | Unrealized Gain (Loss) on Derivative Instruments |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Realized and unrealized gains on non-designated derivative instruments (note 9) | (3,709) | 3,160 | 2,407
Interest Rate Swap Agreements | realized gain (loss) on Derivative Instrument Termintation |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Realized and unrealized gains on non-designated derivative instruments (note 9) | 3,215 | 0 | 0
Foreign currency forward contracts | Realized Gain (Loss) on Derivative Instruments |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Realized and unrealized gains on non-designated derivative instruments (note 9) | 0 | (421) | (31)
Foreign currency forward contracts | Unrealized Gain (Loss) on Derivative Instruments |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Realized and unrealized gains on non-designated derivative instruments (note 9) | $ 0 | $ 58 | $ (58)

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- Definition Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4C Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Name Accounting Standards Codification -Section 50 -Paragraph 4CC -SubTopic 10 -Topic 815 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4CC + Details
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