XML 42 R32.htm IDEA: XBRL DOCUMENT
v3.10.0.1

LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES - Non-accrual loans (Details) - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2018 | Jun. 30, 2017
Financing Receivable Nonaccrual Status [Roll Forward] |  |
Balance | $ 3,270 | $ 3,751
Transfer into non-accrual | 2,532 | 609
Loans paid down/payoffs | (299) | (335)
Loans return to accrual status | (50) | (244)
Loans charged off | (768) | (254)
Balance | 4,685 | 3,527
Consumer |  |
Financing Receivable Nonaccrual Status [Roll Forward] |  |
Balance | 185 | 403
Transfer into non-accrual | 44 | 4
Loans paid down/payoffs | (15) | (67)
Loans charged off | (92) | (4)
Balance | 122 | 336
Residential Real estate |  |
Financing Receivable Nonaccrual Status [Roll Forward] |  |
Balance | 2,124 | 2,508
Transfer into non-accrual | 183 | 40
Loans paid down/payoffs | (41) | (82)
Loans return to accrual status |  | (132)
Loans charged off | (513) | (3)
Balance | 1,753 | 2,331
Indirect |  |
Financing Receivable Nonaccrual Status [Roll Forward] |  |
Balance | 88 | 193
Transfer into non-accrual | 305 | 349
Loans paid down/payoffs | (51) | (96)
Loans return to accrual status | (50) | (112)
Loans charged off | (163) | (247)
Balance | 129 | 87
Commercial |  |
Financing Receivable Nonaccrual Status [Roll Forward] |  |
Balance | 48 |
Loans paid down/payoffs | (48) |
Construction |  |
Financing Receivable Nonaccrual Status [Roll Forward] |  |
Balance | 318 |
Transfer into non-accrual |  | 84
Loans paid down/payoffs | (8) | (84)
Balance | 310 |
Commercial Real Estate |  |
Financing Receivable Nonaccrual Status [Roll Forward] |  |
Balance | 507 | 647
Transfer into non-accrual | 2,000 | 132
Loans paid down/payoffs | (136) | (6)
Balance | $ 2,371 | $ 773

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 Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5111-111524 + 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_ConsumerPortfolioSegmentMember
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=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_FinancingReceivablePortfolioSegmentAxis=glbz_ConstructionAndLandDevelopmentMortgagePortfolioSegmentMember
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: |