XML 55 R45.htm IDEA: XBRL DOCUMENT
v3.23.3

Long-Term Debt and Other Financing Arrangements - Schedule of Long-term Debt (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Apr. 30, 2023 | Mar. 31, 2023 | Feb. 28, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Nov. 30, 2019
--- | --- | --- | --- | --- | --- | --- | ---
Principal Amount |  |  |  |  |  |  |
Debt instrument, principal amount | $ 375,388 |  |  |  | $ 202,788 |  |
Debt instrument, face amount, current | 32,200 |  |  |  | 59,575 |  |
Debt instruments, face amount, noncurrent | 343,188 |  |  |  | 143,213 |  |
Unamortized Discount and Deferred Financing Costs |  |  |  |  |  |  |
Total debt and vendor financing | 36,058 |  |  |  | 11,098 |  |
Debt instrument, unamortized discount, current | 0 |  |  |  | 0 |  |
Debt instrument, unamortized discount, noncurrent | 36,058 |  |  |  | 11,098 |  |
Carrying Value |  |  |  |  |  |  |
Fair Value at Issuance | 339,330 |  |  |  | 191,690 |  |
Long-term debt, current maturities | 32,200 |  |  |  | 59,575 |  |
Long-term debt | 307,130 |  |  |  | 132,115 |  |
2023 Funding Agreement |  |  |  |  |  |  |
Principal Amount |  |  |  |  |  |  |
Debt instrument, principal amount | 87,730 | $ 88,000 |  | $ 87,730 | 0 |  |
Unamortized Discount and Deferred Financing Costs |  |  |  |  |  |  |
Total debt and vendor financing | 11,125 |  |  |  | 0 |  |
Carrying Value |  |  |  |  |  |  |
Fair Value at Issuance | 76,605 |  |  | $ 75,983 | 0 |  |
2021 Funding Agreement |  |  |  |  |  |  |
Principal Amount |  |  |  |  |  |  |
Debt instrument, principal amount | 81,700 |  |  |  | 0 | $ 94,200 |
Unamortized Discount and Deferred Financing Costs |  |  |  |  |  |  |
Total debt and vendor financing | 8,312 |  |  |  | 0 |  |
Carrying Value |  |  |  |  |  |  |
Fair Value at Issuance | 73,388 |  |  |  | 0 | $ 76,324 |
2023 13% Notes |  |  |  |  |  |  |
Principal Amount |  |  |  |  |  |  |
Debt instrument, principal amount | 205,958 |  | $ 200,000 |  | 0 |  |
Unamortized Discount and Deferred Financing Costs |  |  |  |  |  |  |
Total debt and vendor financing | 16,621 |  |  |  | 0 |  |
Carrying Value |  |  |  |  |  |  |
Fair Value at Issuance | $ 189,337 |  |  |  | 0 |  |
Loan interest rate | 13.00% |  | 13.00% |  |  |  |
2019 Facility Agreement |  |  |  |  |  |  |
Principal Amount |  |  |  |  |  |  |
Debt instrument, principal amount | $ 0 |  |  |  | 143,213 |  | $ 199,000
Unamortized Discount and Deferred Financing Costs |  |  |  |  |  |  |
Total debt and vendor financing | 0 |  |  |  | 11,098 |  |
Carrying Value |  |  |  |  |  |  |
Fair Value at Issuance | 0 |  |  |  | 132,115 |  |
Loan interest rate |  |  |  |  |  |  | 14.00%
Vendor financing |  |  |  |  |  |  |
Principal Amount |  |  |  |  |  |  |
Debt instrument, principal amount | 0 |  |  |  | 59,575 |  |
Unamortized Discount and Deferred Financing Costs |  |  |  |  |  |  |
Total debt and vendor financing | 0 |  |  |  | 0 |  |
Carrying Value |  |  |  |  |  |  |
Fair Value at Issuance | $ 0 |  |  |  | $ 59,575 |  |

X
- Definition Debt Instrument Face Amount Current + References No definition available. + Details
Name: | gsat_DebtInstrumentFaceAmountCurrent
Namespace Prefix: | gsat_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Debt Instruments Face Amount Noncurrent + References No definition available. + Details
Name: | gsat_DebtInstrumentsFaceAmountNoncurrent
Namespace Prefix: | gsat_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Definition Long-Term Debt, Current Maturities And Vendor Financing + References No definition available. + Details
Name: | gsat_LongTermDebtCurrentMaturitiesAndVendorFinancing
Namespace Prefix: | gsat_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482900/835-30-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69B -Publisher FASB -URI https://asc.fasb.org//1943274/2147481568/470-20-55-69B Reference 4: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69C -Publisher FASB -URI https://asc.fasb.org//1943274/2147481568/470-20-55-69C Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482925/835-30-45-2 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482949/835-30-55-8 + Details
Name: | us-gaap_DebtInstrumentFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of debt discount to be amortized within one year or within the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -Publisher FASB -URI https://asc.fasb.org//1943274/2147482925/835-30-45-1A Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482949/835-30-55-8 + Details
Name: | us-gaap_DebtInstrumentUnamortizedDiscountCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of debt discount to be amortized after one year or the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -Publisher FASB -URI https://asc.fasb.org//1943274/2147482925/835-30-45-1A Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482949/835-30-55-8 + Details
Name: | us-gaap_DebtInstrumentUnamortizedDiscountNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of unamortized debt discount (premium) and debt issuance costs. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69B -Publisher FASB -URI https://asc.fasb.org//1943274/2147481568/470-20-55-69B Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69C -Publisher FASB -URI https://asc.fasb.org//1943274/2147481568/470-20-55-69C Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1D -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1D Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482925/835-30-45-3 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-4 + Details
Name: | us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69B -Publisher FASB -URI https://asc.fasb.org//1943274/2147481568/470-20-55-69B Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69C -Publisher FASB -URI https://asc.fasb.org//1943274/2147481568/470-20-55-69C Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1D -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1D Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-4 + Details
Name: | us-gaap_LongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_LongTermDebtNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_DebtInstrumentAxis=gsat_A2023FundingAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=gsat_A2021FundingAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=gsat_NonConvertible1300PercentSeniorNotesIssued2023Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=gsat_A2019FacilityAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=gsat_VendorFinancingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |