XML 52 R37.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Derivatives and Fair Value Disclosures (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2023
Fair Value Disclosures [Abstract] |
Schedule of Derivative Instruments | The following table presents information relating to the Company’s interest rate swap arrangements as of December 31, 2022 and 2023.
|  | Effective date |  | Termination date |  | Fixed Rate (Company pays) |  |  | Floating Rate (Company receives) |  | Fair Value Asset December 31, 2022 |  |  | Notional Amount December 31, 2022 |  |  | Fair Value Asset December 31, 2023 |  |  | Notional Amount December 31, 2023 |
Swap 1 |  | August 16, 2017 |  | June 21, 2023 |  |  | 2.12 | % |  | 3-month U.S. dollar SOFR |  | $ | 536,901 |  |  | $ | 10,664,750 |  |  |  | — |  |  |  | — |
Swap 2 |  | April 10, 2018 |  | December 11, 2025 |  |  | 2.74 | % |  | 3-month U.S. dollar SOFR |  | $ | 955,139 |  |  | $ | 23,308,000 |  |  | $ | 731,814 |  |  | $ | 21,236,000 |
Swap 3 |  | February 16, 2019 |  | June 21, 2023 |  |  | 2.89 | % |  | 3-month U.S. dollar SOFR |  | $ | 256,813 |  |  | $ | 10,664,750 |  |  |  | — |  |  |  | — |
Swap 4 |  | January 21, 2021 |  | June 13, 2023 |  |  | 0.73 | % |  | 3-month U.S. dollar SOFR |  | $ | 1,398,984 |  |  | $ | 11,866,750 |  |  |  | — |  |  |  | — |
Swap 5 |  | January 21, 2021 |  | March 31, 2023 |  |  | 0.73 | % |  | 3-month U.S. dollar SOFR |  | $ | 1,393,330 |  |  | $ | 11,829,250 |  |  |  | — |  |  |  | — |
Swap 6 |  | January 21, 2021 |  | March 31, 2023 |  |  | 0.74 | % |  | 3-month U.S. dollar SOFR |  | $ | 864,286 |  |  | $ | 7,197,547 |  |  |  | — |  |  |  | — |
Swap 7 |  | February 5, 2022 |  | June 30, 2026 |  |  | 1.49 | % |  | 3-month U.S. dollar SOFR |  | $ | 1,697,402 |  |  | $ | 25,152,330 |  |  | $ | 1,126,863 |  |  | $ | 21,274,194 |
Total |  |  |  |  |  |  |  |  |  |  |  | $ | 7,102,855 |  |  | $ | 100,683,377 |  |  | $ | 1,858,677 |  |  | $ | 42,510,194 |
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value | Tabular disclosure of financial instruments is as follows:
|  |  |  | December 31, |
|  |  |  | 2022 |  |  | 2023 |
Derivatives designated as hedging instruments |  | Balance Sheet Location |  | Asset Derivatives |  |  | Liability Derivatives |  |  | Asset Derivatives |  |  | Liability Derivatives |
Interest Rate Swap Agreements |  | Non current assets — Fair value of derivatives |  |  | 5,405,453 |  |  |  | — |  |  |  | 731,814 |  |  |  | — |
Total derivatives designated as hedging instruments |  |  |  |  | 5,405,453 |  |  |  | — |  |  |  | 731,814 |  |  |  | — |
|  |  |  | December 31, |
|  |  |  | 2022 |  |  | 2023 |
Derivatives not designated as hedging instruments |  | Balance Sheet Location |  | Asset Derivatives |  |  | Liability Derivatives |  |  | Asset Derivatives |  |  | Liability Derivatives |
Interest Rate Swap Agreements |  | Non current assets — Fair value of derivatives |  |  | 1,697,402 |  |  |  | — |  |  |  | 1,126,863 |  |  |  | — |
Total derivatives not designated as hedging instruments |  |  |  |  | 1,697,402 |  |  |  | — |  |  |  | 1,126,863 |  |  |  | — |
Schedule of Derivative Instruments, Gain (Loss) | The effect of derivative instruments on the consolidated statements of operations for the years ended December 31, 2021, 2022 and 2023 is as follows:
|  | Location of Gain/(Loss) |  | Year Ended December 31, |
Derivatives not designated as hedging instruments |  | Recognized |  | 2021 |  |  | 2022 |  |  | 2023 |
Interest Rate Swap — Reclassification from OCI |  | Gain on derivatives |  |  | 265,610 |  |  |  | — |  |  |  | — |
Interest Rate Swap — Change in Fair Value |  | Gain on derivatives |  |  | — |  |  |  | 1,697,401 |  |  |  | (570,539 | )
Interest Rate Swap — Realized (expense)/income |  | Gain on derivatives |  |  | (25,457 | ) |  |  | 1,061 |  |  |  | 808,157 |
Total gain on derivatives |  |  |  |  | 240,153 |  |  |  | 1,698,462 |  |  |  | 237,618 |
|  | Location of (Loss)/Gain |  | Year Ended December 31, |
Derivatives designated as hedging instruments |  | Recognized |  | 2021 |  |  | 2022 |  |  | 2023 |
Interest Rate Swap — Realized (expense)/income |  | Interest and finance costs |  |  | (2,183,187 | ) |  |  | (126,241 | ) |  |  | 4,771,235 |
Total loss on derivatives |  |  |  |  | (2,183,187 | ) |  |  | (126,241 | ) |  |  | 4,771,235 |
Schedule of Accumulated Other Comprehensive Income | The components of accumulated other comprehensive income included in the accompanying consolidated balance sheets consist of unrealized gain / (loss) on cash flow hedges relating to the Company’s interest rate swap contracts and are analyzed as follows:
|  | Unrealized (Loss)/ Income on cash flow hedges |
Balance, January 1, 2021 |  |  | (4,952,823 | )
Other comprehensive loss before reclassifications |  |  | (68,699 | )
Amounts reclassified from accumulated other comprehensive loss relating to qualifying hedges |  |  | 2,183,187 |
Other reclassification adjustments |  |  | (265,610 | )
Balance, December 31, 2021 |  |  | (3,103,945 | )
Other comprehensive income before reclassifications |  |  | 8,164,187 |
Amounts reclassified from accumulated other comprehensive loss relating to qualifying hedges |  |  | 126,241 |
Balance, December 31, 2022 |  |  | 5,186,483 |
Other comprehensive income before reclassifications |  |  | 316,566 |
Amounts reclassified from accumulated other comprehensive income relating to qualifying hedges |  |  | (4,771,235 | )
Balance, December 31, 2023 |  |  | 731,814 |
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis | The following table presents the fair values for assets and liabilities measured on a recurring basis categorized into a Level based upon the lowest level of significant input to the valuations as of December 31, 2022:
|  |  |  |  | Fair Value Measurements Using |
Description |  | Fair Value as of December 31, 2022 |  |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  | Significant Other Observable Inputs (Level 2) |  |  | Significant Unobservable Inputs (Level 3) |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest Rate Swap Agreements |  |  | 7,102,855 |  |  |  | — |  |  |  | 7,102,855 |  |  |  | — |
Total |  |  | 7,102,855 |  |  |  | — |  |  |  | 7,102,855 |  |  |  | — |
The following table presents the fair values for assets and liabilities measured on a recurring basis categorized into a Level based upon the lowest level of significant input to the valuations as of December 31, 2023:
|  |  |  |  | Fair Value Measurements Using |
Description |  | Fair Value as of December 31, 2023 |  |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  | Significant Other Observable Inputs (Level 2) |  |  | Significant Unobservable Inputs (Level 3) |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest Rate Swap Agreements |  |  | 1,858,677 |  |  |  | — |  |  |  | 1,858,677 |  |  |  | — |
Total |  |  | 1,858,677 |  |  |  | — |  |  |  | 1,858,677 |  |  |  | — |
Schedule of Fair Value, Assets and Liabilities Measured on Non-Recurring Basis | The following tables present the fair values for assets measured on a non-recurring basis categorized into a Level based upon the lowest level of significant input to the valuations:
|  |  |  |  | Fair Value Measurements Using |
Description |  | Fair Value as of March 31, 2022 |  |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  | Significant Other Observable Inputs (Level 2) |  |  | Significant Unobservable Inputs (Level 3) |  |  | Impairment Loss |
Long-lived assets held and used |  |  | 2,375,000 |  |  |  | — |  |  |  | 2,375,000 |  |  |  | — |  |  |  | (529,532 | )
Total |  |  | 2,375,000 |  |  |  | — |  |  |  | 2,375,000 |  |  |  | — |  |  |  | (529,532 | )
|  |  |  |  | Fair Value Measurements Using |
Description |  | Fair Value as of December 31, 2022 |  |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  | Significant Other Observable Inputs (Level 2) |  |  | Significant Unobservable Inputs (Level 3) |  |  | Impairment Loss |
Long-lived assets held for sale |  |  | 10,800,000 |  |  |  | — |  |  |  | 10,800,000 |  |  |  | — |  |  |  | (2,591,924 | )
Long-lived assets held and used |  |  | 2,100,000 |  |  |  |  |  |  |  | 2,100,000 |  |  |  |  |  |  |  | (45,578 | )
Total |  |  | 12,900,000 |  |  |  | — |  |  |  | 12,900,000 |  |  |  | — |  |  |  | (2,637,502 | )
|  |  |  |  | Fair Value Measurements Using |
Description |  | Fair Value as of December 31, 2023 |  |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  | Significant Other Observable Inputs (Level 2) |  |  | Significant Unobservable Inputs (Level 3) |  |  | Impairment Loss |
Long-lived assets held for sale |  |  | 35,340,000 |  |  |  | — |  |  |  | 35,340,000 |  |  |  | — |  |  |  | (2,759,553 | )
Total |  |  | 35,340,000 |  |  |  | — |  |  |  | 35,340,000 |  |  |  | — |  |  |  | (2,759,553 | )

X
- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a non-recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References No definition available. + Details
Name: | gass_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnNonrecurringBasisTableTextBlock
Namespace Prefix: | gass_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_FairValueDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -Publisher FASB -URI https://asc.fasb.org//1943274/2147482790/220-10-45-14A Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481674/830-30-50-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 20 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481694/830-30-45-20 + Details
Name: | us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4E -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4E Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4C Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4A + Details
Name: | us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4B + Details
Name: | us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of pertinent information about a derivative or group of derivatives on a disaggregated basis, such as for individual instruments, or small groups of similar instruments. May include a combination of the type of instrument, risks being hedged, notional amount, hedge designation, related hedged item, inception date, maturity date, or other relevant item. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -SubTopic 10 -Topic 815 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-1A Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-1B Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-8 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4B Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-1 Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4 Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-5 Reference 9: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4C + Details
Name: | us-gaap_ScheduleOfDerivativeInstrumentsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration