XML 64 R53.htm IDEA: XBRL DOCUMENT
v3.25.1

Loans and Allowance for Credit Losses - Loans - Non-accrual loans (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Financing Receivable Nonaccrual Status |  |
Balance | $ 527 | $ 488
Transfer into nonaccrual | 285 | 482
Loans paid down/payoffs | (99) | (301)
Loans returned to accrual status | (1) | (18)
Loans charged off | (352) | (124)
Balance | 360 | 527
Real Estate Loan |  |
Financing Receivable Nonaccrual Status |  |
Balance | 145 |
Balance | 273 | 145
Real Estate Loan | Single-family Residential |  |
Financing Receivable Nonaccrual Status |  |
Balance | 145 | 104
Transfer into nonaccrual | 52 | 307
Loans paid down/payoffs | (48) | (266)
Balance | 149 | 145
Real Estate Loan | Commercial |  |
Financing Receivable Nonaccrual Status |  |
Transfer into nonaccrual | 140 |
Loans paid down/payoffs | (16) |
Balance | 124 |
Commercial and Industrial |  |
Financing Receivable Nonaccrual Status |  |
Balance | 299 |
Balance |  | 299
Commercial and Industrial | Commercial and Industrial |  |
Financing Receivable Nonaccrual Status |  |
Balance | 299 | 299
Loans charged off | (299) |
Balance |  | 299
Consumer Loans |  |
Financing Receivable Nonaccrual Status |  |
Balance | 83 |
Balance | 87 | 83
Consumer Loans | Automobile |  |
Financing Receivable Nonaccrual Status |  |
Balance | 83 | 85
Transfer into nonaccrual | 93 | 175
Loans paid down/payoffs | (35) | (35)
Loans returned to accrual status | (1) | (18)
Loans charged off | (53) | (124)
Balance | $ 87 | $ 83

X
- Definition Amount of nonaccrual direct write-downs of financing receivables charged against the allowance. + References No definition available. + Details
Name: | glbz_FinancingReceivableAllowanceForCreditLossesNonaccrualWriteDowns
Namespace Prefix: | glbz_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | glbz_FinancingReceivableNonaccrualStatusRollForward
Namespace Prefix: | glbz_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents loans returned to accrual status. + References No definition available. + Details
Name: | glbz_LoansReturnedToAccrualStatus
Namespace Prefix: | glbz_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents nonaccrual loan paid off. + References No definition available. + Details
Name: | glbz_NonaccrualLoanPaidOff
Namespace Prefix: | glbz_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents amount transfers into non-accrual during the period. + References No definition available. + Details
Name: | glbz_TransfersIntoNon-Accrual
Namespace Prefix: | glbz_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amortized cost of financing receivable on nonaccrual status. Excludes net investment in lease. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-7 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph a -Subparagraph (3) -Publisher SEC Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph a -Subparagraph (2) -Publisher SEC Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 16 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-16 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_RealEstateLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=srt_SingleFamilyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialAndIndustrialSectorMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=glbz_CommercialAndIndustrialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_AutomobileLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |