XML 38 R29.htm IDEA: XBRL DOCUMENT
v3.22.2

LOANS RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES - Allowance by Loan Segment (Details) - USD ($) | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Dec. 31, 2021
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |  |
Balance, beginning of year |  |  | $ 2,470,000 | $ 1,476,000 | $ 1,476,000
Impact of ASC 326 adoption |  |  |  |  | 1,574,000
Charged off |  |  | (107,000) | (124,000) | (253,000)
Recoveries |  |  | 92,000 |  | 648,000
Provision for loan losses | $ (116,000) | $ (67,000) | (217,000) | (471,000) | (975,000)
Balance, end of year | 2,238,000 |  | 2,238,000 |  | 2,470,000
Individually evaluated for impairment: |  |  |  |  |
Individually evaluated for impairment, Balance in allowance | 14,000 |  | 14,000 |  | 10,000
Individually evaluated for impairment, Related loan balance | 35,000 |  | 35,000 |  | 36,000
Collectively evaluated for impairment: |  |  |  |  |
Collectively evaluated for impairment, Balance in allowance | 2,224,000 |  | 2,224,000 |  | 2,460,000
Collectively evaluated for impairment, Related loan balance | 200,663,000 |  | 200,663,000 |  | 210,356,000
Real Estate Loan |  |  |  |  |
Individually evaluated for impairment: |  |  |  |  |
Individually evaluated for impairment, Balance in allowance | 14,000 |  | 14,000 |  | 10,000
Construction And Land Development [Member] | Real Estate Loan |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |  |
Balance, beginning of year |  |  | 5,000 | 9,000 | 9,000
Impact of ASC 326 adoption |  |  |  |  | 16,000
Provision for loan losses |  |  | 26,000 |  | (20,000)
Balance, end of year | 31,000 |  | 31,000 |  | 5,000
Collectively evaluated for impairment: |  |  |  |  |
Collectively evaluated for impairment, Balance in allowance | 31,000 |  | 31,000 |  | 5,000
Collectively evaluated for impairment, Related loan balance | 4,216,000 |  | 4,216,000 |  | 4,087,000
Farmland | Real Estate Loan |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |  |
Balance, beginning of year |  |  | 11,000 | 2,000 | 2,000
Impact of ASC 326 adoption |  |  |  |  | 9,000
Provision for loan losses |  |  | 10,000 |  |
Balance, end of year | 21,000 |  | 21,000 |  | 11,000
Collectively evaluated for impairment: |  |  |  |  |
Collectively evaluated for impairment, Balance in allowance | 21,000 |  | 21,000 |  | 11,000
Collectively evaluated for impairment, Related loan balance | 338,000 |  | 338,000 |  | 342,000
Single-family | Real Estate Loan |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |  |
Balance, beginning of year |  |  | 1,357,000 | 513,000 | 513,000
Impact of ASC 326 adoption |  |  |  |  | 854,000
Recoveries |  |  |  |  | 408,000
Provision for loan losses |  |  | (124,000) |  | (418,000)
Balance, end of year | 1,233,000 |  | 1,233,000 |  | 1,357,000
Individually evaluated for impairment: |  |  |  |  |
Individually evaluated for impairment, Balance in allowance | 14,000 |  | 14,000 |  | 10,000
Individually evaluated for impairment, Related loan balance | 35,000 |  | 35,000 |  | 36,000
Collectively evaluated for impairment: |  |  |  |  |
Collectively evaluated for impairment, Balance in allowance | 1,219,000 |  | 1,219,000 |  | 1,347,000
Collectively evaluated for impairment, Related loan balance | 80,135,000 |  | 80,135,000 |  | 78,083,000
Multi-family | Real Estate Loan |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |  |
Balance, beginning of year |  |  | 105,000 | 39,000 | 39,000
Impact of ASC 326 adoption |  |  |  |  | 63,000
Provision for loan losses |  |  | (2,000) |  | 3,000
Balance, end of year | 103,000 |  | 103,000 |  | 105,000
Collectively evaluated for impairment: |  |  |  |  |
Collectively evaluated for impairment, Balance in allowance | 103,000 |  | 103,000 |  | 105,000
Collectively evaluated for impairment, Related loan balance | 5,370,000 |  | 5,370,000 |  | 5,428,000
Commercial and industrial | Commercial and Industrial |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |  |
Balance, beginning of year |  |  | 115,000 | 67,000 | 67,000
Impact of ASC 326 adoption |  |  |  |  | 120,000
Provision for loan losses |  |  | (5,000) |  | (72,000)
Balance, end of year | 110,000 |  | 110,000 |  | 115,000
Collectively evaluated for impairment: |  |  |  |  |
Collectively evaluated for impairment, Balance in allowance | 110,000 |  | 110,000 |  | 115,000
Collectively evaluated for impairment, Related loan balance | 9,073,000 |  | 9,073,000 |  | 10,003,000
Commercial | Real Estate Loan |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |  |
Balance, beginning of year |  |  | 278,000 | 218,000 | 218,000
Impact of ASC 326 adoption |  |  |  |  | 199,000
Provision for loan losses |  |  | (46,000) |  | (139,000)
Balance, end of year | 232,000 |  | 232,000 |  | 278,000
Collectively evaluated for impairment: |  |  |  |  |
Collectively evaluated for impairment, Balance in allowance | 232,000 |  | 232,000 |  | 278,000
Collectively evaluated for impairment, Related loan balance | 45,081,000 |  | 45,081,000 |  | 48,729,000
SBA Guaranty | Commercial and Industrial |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |  |
Balance, beginning of year |  |  | 30,000 | 48,000 | 48,000
Impact of ASC 326 adoption |  |  |  |  | (6,000)
Charged off |  |  | (9,000) |  |
Provision for loan losses |  |  | 1,000 |  | (12,000)
Balance, end of year | 22,000 |  | 22,000 |  | 30,000
Collectively evaluated for impairment: |  |  |  |  |
Collectively evaluated for impairment, Balance in allowance | 22,000 |  | 22,000 |  | 30,000
Collectively evaluated for impairment, Related loan balance | 6,255,000 |  | 6,255,000 |  | 6,397,000
Comm SBA PPP | Commercial and Industrial |  |  |  |  |
Collectively evaluated for impairment: |  |  |  |  |
Collectively evaluated for impairment, Related loan balance | 263,000 |  | 263,000 |  | 1,047,000
Consumer and Indirect | Consumer Loans |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |  |
Balance, beginning of year |  |  | 36,000 | 11,000 | 11,000
Impact of ASC 326 adoption |  |  |  |  | 46,000
Charged off |  |  | (10,000) |  | (2,000)
Recoveries |  |  | 7,000 |  |
Provision for loan losses |  |  |  |  | (19,000)
Balance, end of year | 33,000 |  | 33,000 |  | 36,000
Collectively evaluated for impairment: |  |  |  |  |
Collectively evaluated for impairment, Balance in allowance | 33,000 |  | 33,000 |  | 36,000
Collectively evaluated for impairment, Related loan balance | 1,939,000 |  | 1,939,000 |  | 2,090,000
Automobile | Consumer Loans |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |  |
Balance, beginning of year |  |  | 533,000 | $ 569,000 | 569,000
Impact of ASC 326 adoption |  |  |  |  | 273,000
Charged off |  |  | (88,000) |  | (251,000)
Recoveries |  |  | 85,000 |  | 240,000
Provision for loan losses |  |  | (77,000) |  | (298,000)
Balance, end of year | 453,000 |  | 453,000 |  | 533,000
Collectively evaluated for impairment: |  |  |  |  |
Collectively evaluated for impairment, Balance in allowance | 453,000 |  | 453,000 |  | 533,000
Collectively evaluated for impairment, Related loan balance | $ 47,993,000 |  | $ 47,993,000 |  | $ 54,150,000

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 allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement. + 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)(1) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(7)(2)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (3) Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (c) Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (1) + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLosses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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 http://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 http://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 Amount of increase in allowance for credit loss on financing receivable from recovery. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=124267575&loc=SL82922352-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 Reference 3: 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 http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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: | us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of writeoff of financing receivable, charged against allowance for credit loss. + 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 (d) -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 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 (c)(3) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=124267575&loc=SL82922352-210448 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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 http://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 http://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 expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value. + 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)(2) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.11) -URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 + Details
Name: | us-gaap_ProvisionForLoanLeaseAndOtherLosses
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_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_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_CommercialAndIndustrialSectorMember
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_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ConsumerLoanMember
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: |