XML 37 R27.htm IDEA: XBRL DOCUMENT
v3.20.2

LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES - Major Categories of Loans (Details) - USD ($) | 9 Months Ended |
--- | --- | ---
Sep. 30, 2020 | Dec. 31, 2019
Schedule of Available-for-sale Securities [Line Items] |  |
Loans, net of deferred fees and costs | $ 274,082,000 | $ 284,738,000
Less: Allowance for loan losses | (1,663,000) | (2,066,000)
Loans, net | $ 272,419,000 | $ 282,672,000
Loans and lease receivable allowances, percentage | 100.00% | 100.00%
Increase (decrease) in loans and leases receivable | $ (10,300,000) |
Percentage of increase (decrease) in loans and leases receivable | (3.63%) |
Consumer |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Loans, net of deferred fees and costs | $ 12,167,000 | $ 12,076,000
Loans and lease receivable allowances, percentage | 4.00% | 4.00%
Increase (decrease) in loans and leases receivable | $ 91,000 |
Percentage of increase (decrease) in loans and leases receivable | 0.75% |
Consumer | Real Estate Loan [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Loans, net of deferred fees and costs | $ 78,997,000 | $ 81,033,000
Loans and lease receivable allowances, percentage | 29.00% | 28.00%
Indirect |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Loans, net of deferred fees and costs | $ 80,544,000 | $ 102,384,000
Loans and lease receivable allowances, percentage | 30.00% | 36.00%
Percentage of increase (decrease) in loans and leases receivable | (21.33%) |
Commercial |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Loans, net of deferred fees and costs | $ 13,683,000 | $ 11,907,000
Loans and lease receivable allowances, percentage | 5.00% | 4.00%
Increase (decrease) in loans and leases receivable | $ (1,800,000) |
Percentage of increase (decrease) in loans and leases receivable | (14.92%) |
Commercial | Real Estate Loan [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Loans, net of deferred fees and costs | $ 69,341,000 | $ 74,021,000
Loans and lease receivable allowances, percentage | 25.00% | 27.00%
Commercial | SBA PPP Loan [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Loans, net of deferred fees and costs | $ 17,367,000 | $ 0
Loans and lease receivable allowances, percentage | 6.00% |
Construction |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Loans, net of deferred fees and costs | $ 1,983,000 | $ 3,317,000
Loans and lease receivable allowances, percentage | 1.00% | 1.00%
Increase (decrease) in loans and leases receivable | $ (1,300,000) |
Percentage of increase (decrease) in loans and leases receivable | (40.22%) |
Commercial SBA PPP |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Loans, net of deferred fees and costs | $ 17,400,000 |
Residential Real estate |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Increase (decrease) in loans and leases receivable | $ 2,000,000 |
Percentage of increase (decrease) in loans and leases receivable | 2.51% |
Commercial Real Estate |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Increase (decrease) in loans and leases receivable | $ (4,700,000) |
Percentage of increase (decrease) in loans and leases receivable | (6.32%) |

X
- Definition The increase (decrease) during the reporting period in amount of loans and leases receivables. + References No definition available. + Details
Name: | glbz_IncreaseDecreaseInLoansAndLeasesReceivable
Namespace Prefix: | glbz_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The percentage of increase (decrease) in loans and leases receivable. + References No definition available. + Details
Name: | glbz_PercentageOfIncreaseDecreaseInLoansAndLeasesReceivable
Namespace Prefix: | glbz_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The Percentage of Loans and Leases Receivable Allowance. + References No definition available. + Details
Name: | glbz_PercentageOfLoansAndLeasesReceivableAllowance
Namespace Prefix: | glbz_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_AccountsNotesAndLoansReceivableLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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://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=121611835&loc=SL6953423-111524 Reference 2: 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 http://asc.fasb.org/extlink&oid=121614798&loc=d3e15032-111544 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)(1) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L.1) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74567-122707 + Details
Name: | us-gaap_LoansAndLeasesReceivableAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121593590&loc=d3e4428-111522 + Details
Name: | us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121593590&loc=d3e4428-111522 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
Name: | us-gaap_LoansAndLeasesReceivableNetReportedAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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_RealEstateLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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

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