XML 38 R29.htm IDEA: XBRL DOCUMENT
v3.22.2.2

LOANS RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES - Allowance by Loan Segment (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2022 | Dec. 31, 2021
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Balance, beginning of year | $ 2,470 | $ 1,476
Impact of ASC 326 adoption |  | 1,574
Charge-offs | (151) | (253)
Recoveries | 134 | 648
Release (provision) for credit losses | (178) | (975)
Balance, end of quarter | 2,275 | 2,470
Individually evaluated for impairment: |  |
Individually evaluated for impairment, Balance in allowance | 127 | 10
Individually evaluated for impairment, Related loan balance | 534 | 36
Collectively evaluated for impairment: |  |
Collectively evaluated for impairment, Balance in allowance | 2,148 | 2,460
Collectively evaluated for impairment, Related loan balance | 193,546 | 210,356
Real Estate Loan |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Balance, beginning of year |  | 781
Individually evaluated for impairment: |  |
Individually evaluated for impairment, Balance in allowance | 18 | 10
Commercial and Industrial |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Balance, beginning of year |  | 115
Individually evaluated for impairment: |  |
Individually evaluated for impairment, Balance in allowance | 109 |
Consumer Loans |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Balance, beginning of year |  | 580
Construction and Land | Real Estate Loan |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Balance, beginning of year | 5 | 9
Impact of ASC 326 adoption |  | 16
Release (provision) for credit losses | 45 | (20)
Balance, end of quarter | 50 | 5
Collectively evaluated for impairment: |  |
Collectively evaluated for impairment, Balance in allowance | 50 | 5
Collectively evaluated for impairment, Related loan balance | 5,362 | 4,087
Farmland | Real Estate Loan |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Balance, beginning of year | 11 | 2
Impact of ASC 326 adoption |  | 9
Release (provision) for credit losses | 9 |
Balance, end of quarter | 20 | 11
Collectively evaluated for impairment: |  |
Collectively evaluated for impairment, Balance in allowance | 20 | 11
Collectively evaluated for impairment, Related loan balance | 336 | 342
Single-family Residential | Real Estate Loan |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Balance, beginning of year | 1,357 | 513
Impact of ASC 326 adoption |  | 854
Recoveries |  | 408
Release (provision) for credit losses | (119) | (418)
Balance, end of quarter | 1,238 | 1,357
Individually evaluated for impairment: |  |
Individually evaluated for impairment, Balance in allowance | 18 | 10
Individually evaluated for impairment, Related loan balance | 35 | 36
Collectively evaluated for impairment: |  |
Collectively evaluated for impairment, Balance in allowance | 1,220 | 1,347
Collectively evaluated for impairment, Related loan balance | 80,099 | 78,083
Multi-family | Real Estate Loan |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Balance, beginning of year | 105 | 39
Impact of ASC 326 adoption |  | 63
Release (provision) for credit losses | (4) | 3
Balance, end of quarter | 101 | 105
Collectively evaluated for impairment: |  |
Collectively evaluated for impairment, Balance in allowance | 101 | 105
Collectively evaluated for impairment, Related loan balance | 5,337 | 5,428
Commercial and Industrial | Commercial and Industrial |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Balance, beginning of year | 115 | 67
Impact of ASC 326 adoption |  | 120
Release (provision) for credit losses | 105 | (72)
Balance, end of quarter | 220 | 115
Individually evaluated for impairment: |  |
Individually evaluated for impairment, Balance in allowance | 109 |
Collectively evaluated for impairment: |  |
Collectively evaluated for impairment, Balance in allowance | 220 | 115
Collectively evaluated for impairment, Related loan balance | 8,859 | 10,003
Commercial | Real Estate Loan |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Balance, beginning of year | 278 | 218
Impact of ASC 326 adoption |  | 199
Release (provision) for credit losses | (57) | (139)
Balance, end of quarter | 221 | 278
Individually evaluated for impairment: |  |
Individually evaluated for impairment, Balance in allowance | 109 |
Individually evaluated for impairment, Related loan balance | 499 |
Collectively evaluated for impairment: |  |
Collectively evaluated for impairment, Balance in allowance | 112 | 278
Collectively evaluated for impairment, Related loan balance | 43,932 | 48,729
SBA Guaranty | Commercial and Industrial |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Balance, beginning of year | 30 | 48
Impact of ASC 326 adoption |  | (6)
Charge-offs | (9) |
Release (provision) for credit losses |  | (12)
Balance, end of quarter | 21 | 30
Collectively evaluated for impairment: |  |
Collectively evaluated for impairment, Balance in allowance | 21 | 30
Collectively evaluated for impairment, Related loan balance | 6,203 | 6,397
Commercial SBA PPP | Commercial and Industrial |  |
Collectively evaluated for impairment: |  |
Collectively evaluated for impairment, Related loan balance |  | 1,047
Consumer | Consumer Loans |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Balance, beginning of year | 36 | 11
Impact of ASC 326 adoption |  | 46
Charge-offs | (10) | (2)
Recoveries | 7 |
Release (provision) for credit losses | (9) | (19)
Balance, end of quarter | 24 | 36
Collectively evaluated for impairment: |  |
Collectively evaluated for impairment, Balance in allowance | 24 | 36
Collectively evaluated for impairment, Related loan balance | 1,523 | 2,090
Automobile | Consumer Loans |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Balance, beginning of year | 533 | 569
Impact of ASC 326 adoption |  | 273
Charge-offs | (132) | (251)
Recoveries | 127 | 240
Release (provision) for credit losses | (148) | (298)
Balance, end of quarter | 380 | 533
Collectively evaluated for impairment: |  |
Collectively evaluated for impairment, Balance in allowance | 380 | 533
Collectively evaluated for impairment, Related loan balance | $ 41,895 | $ 54,150

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

X
- Definition Amount of adjustment from adoption of ASC to financing receivable, charged against allowance for credit loss. + References No definition available. + Details
Name: | glbz_FinancingReceivableAllowanceForCreditLossesImpactOfAdoption
Namespace Prefix: | glbz_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Definition Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(4) -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
Name: | us-gaap_AllowanceForLoanAndLeaseLossRecoveryOfBadDebts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(3) -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
Name: | us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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: | us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The balance of financing receivables that were collectively evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (h) -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The balance of financing receivables that were individually evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (h) -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L.1) -URI https://asc.fasb.org/extlink&oid=122038336&loc=d3e74567-122707 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI https://asc.fasb.org/extlink&oid=121614798&loc=d3e15032-111544 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
Name: | us-gaap_LoansAndLeasesReceivableAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of credit loss expense (reversal of expense) for financing receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(11)) -URI https://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 + Details
Name: | us-gaap_ProvisionForLoanLossesExpensed
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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=glbz_ConstructionAndLandDevelopmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=glbz_FarmlandMember
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=srt_MultifamilyMember
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=us-gaap_CommercialPortfolioSegmentMember
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=glbz_CommSbaPppMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
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: |