XML 32 R22.htm IDEA: XBRL DOCUMENT
v3.21.2

RECENT ACCOUNTING PRONOUNCEMENTS (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2021
RECENT ACCOUNTING PRONOUNCEMENTS |
Cumulative effect of of adopting ASC 326 to retained earnings | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | CECL | ​ | ​
​ | ​ | December 31, 2020 | ​ | Adoption Impact | ​ | January 1, 2021
(dollars in thousands) | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Allowance for credit losses: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Loans Secured by Real Estate | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Construction and land | ​ | $ | 10 | ​ | $ | 16 | ​ | $ | 26
Farmland | ​ | ​ | 2 | ​ | ​ | 9 | ​ | ​ | 11
Single-family residential | ​ | ​ | 512 | ​ | ​ | 854 | ​ | ​ | 1,366
Multi-family | ​ | ​ | 39 | ​ | ​ | 63 | ​ | ​ | 102
Commercial | ​ | ​ | 218 | ​ | ​ | 199 | ​ | ​ | 417
Total loans secured by real estate | ​ | ​ | 781 | ​ | ​ | 1,141 | ​ | ​ | 1,922
Commercial and Industrial | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Commercial and industrial | ​ | ​ | 67 | ​ | ​ | 120 | ​ | ​ | 187
SBA guaranty | ​ | ​ | 48 | ​ | ​ | (6) | ​ | ​ | 42
Total commercial and industrial loans | ​ | ​ | 115 | ​ | ​ | 114 | ​ | ​ | 229
Consumer Loans | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Consumer | ​ | ​ | 11 | ​ | ​ | 46 | ​ | ​ | 57
Automobile | ​ | ​ | 569 | ​ | ​ | 273 | ​ | ​ | 842
Total consumer loans | ​ | ​ | 580 | ​ | ​ | 319 | ​ | ​ | 899
Total allowance for loan losses | ​ | ​ | 1,476 | ​ | ​ | 1,574 | ​ | ​ | 3,050
Reserve for unfunded commitments | ​ | ​ | 33 | ​ | ​ | 457 | ​ | ​ | 490
Total allowance for credit losses | ​ | $ | 1,509 | ​ | $ | 2,031 | ​ | $ | 3,540
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Retained earnings | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total pre-tax impact | ​ | ​ | ​ | ​ | $ | 2,031 | ​ | ​ | ​
Tax effect | ​ | ​ | ​ | ​ | ​ | (559) | ​ | ​ | ​
Decrease to retained earnings | ​ | ​ | ​ | ​ | $ | 1,472 | ​ | ​ | ​

X
- Definition Tabular disclosure of cumulative effect of adoption of accounting standard. + References No definition available. + Details
Name: | glbz_CumulativeEffectOfAdoptingAsc326ToRetainedEarningsTableTextBlock
Namespace Prefix: | glbz_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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