XML 44 R35.htm IDEA: XBRL DOCUMENT
v3.23.1

LOANS RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES - Loans - Non-accrual loans (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Financing Receivable Nonaccrual Status |  |
Balance | $ 488 | $ 338
Transfer into non-accrual | 190 | 61
Loans paid down/payoffs | (202) | (148)
Loans charged off | (8) | (49)
Balance | 468 | 202
Real Estate Loan |  |
Financing Receivable Nonaccrual Status |  |
Balance | 104 |
Balance | 100 |
Commercial and Industrial |  |
Financing Receivable Nonaccrual Status |  |
Balance | 299 |
Balance | 296 |
Consumer Loans |  |
Financing Receivable Nonaccrual Status |  |
Balance | 85 |
Balance | 72 |
Single-family Residential | Real Estate Loan |  |
Financing Receivable Nonaccrual Status |  |
Balance | 104 | 123
Transfer into non-accrual | 187 |
Loans paid down/payoffs | (191) | (41)
Balance | 100 | 82
Commercial and Industrial | Commercial and Industrial |  |
Financing Receivable Nonaccrual Status |  |
Balance | 299 |
Loans charged off | (3) |
Balance | 296 |
SBA Guaranty | Commercial and Industrial |  |
Financing Receivable Nonaccrual Status |  |
Balance |  | 71
Loans paid down/payoffs |  | (61)
Loans charged off |  | (10)
Automobile | Consumer Loans |  |
Financing Receivable Nonaccrual Status |  |
Balance | 85 | 144
Transfer into non-accrual | 3 | 61
Loans paid down/payoffs | (11) | (46)
Loans charged off | (5) | (39)
Balance | $ 72 | $ 120

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 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/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=123577603&loc=d3e5111-111524 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 16 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919258-210447 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (3) Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (2) + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

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

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

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

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

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

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