XML 26 R50.htm IDEA: XBRL DOCUMENT
v3.19.3

LOANS AND ALLOWANCE FOR LOAN LOSSES - Summary of Payment Status of Loans (Details) - USD ($) $ in Thousands | Sep. 30, 2019 | Dec. 31, 2018 | Sep. 30, 2018
--- | --- | --- | ---
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |
Total past due loans | $ 12,063 | $ 14,986 |
Current | 1,724,376 | 1,644,549 |
Ending balance | 1,736,439 | 1,659,535 | $ 1,651,863
Financing Receivables, 30 to 59 Days Past Due |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |
Total past due loans | 9,602 | 6,712 |
Financing Receivables, 60 to 89 Days Past Due |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |
Total past due loans | 1,337 | 4,088 |
Financing Receivables, Equal to Greater than 90 Days Past Due |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |
Total past due loans | 1,124 | 4,186 |
Commercial and industrial |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |
Total past due loans | 752 | 968 |
Current | 298,962 | 260,811 |
Ending balance | 299,714 | 261,779 | 248,758
Commercial and industrial | Financing Receivables, 30 to 59 Days Past Due |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |
Total past due loans | 664 | 209 |
Commercial and industrial | Financing Receivables, 60 to 89 Days Past Due |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |
Total past due loans | 88 | 493 |
Commercial and industrial | Financing Receivables, Equal to Greater than 90 Days Past Due |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |
Total past due loans |  | 266 |
Construction and development |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |
Total past due loans | 1,597 | 3,551 |
Current | 254,862 | 233,952 |
Ending balance | 256,459 | 237,503 | 229,307
Construction and development | Financing Receivables, 30 to 59 Days Past Due |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |
Total past due loans | 1,498 | 735 |
Construction and development | Financing Receivables, 60 to 89 Days Past Due |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |
Total past due loans |  | 2,816 |
Construction and development | Financing Receivables, Equal to Greater than 90 Days Past Due |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |
Total past due loans | 99 |  |
Commercial real estate |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |
Total past due loans | 2,759 | 5,033 |
Current | 578,983 | 577,486 |
Ending balance | 581,742 | 582,519 | 599,153
Commercial real estate | Financing Receivables, 30 to 59 Days Past Due |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |
Total past due loans | 1,960 | 1,803 |
Commercial real estate | Financing Receivables, 60 to 89 Days Past Due |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |
Total past due loans | 278 | 3 |
Commercial real estate | Financing Receivables, Equal to Greater than 90 Days Past Due |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |
Total past due loans | 521 | 3,227 |
Farmland |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |
Total past due loans | 255 | 485 |
Current | 60,818 | 67,360 |
Ending balance | 61,073 | 67,845 | 65,209
Farmland | Financing Receivables, 30 to 59 Days Past Due |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |
Total past due loans | 255 | 485 |
1-4 family residential |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |
Total past due loans | 6,123 | 4,111 |
Current | 400,757 | 388,956 |
Ending balance | 406,880 | 393,067 | 392,456
1-4 family residential | Financing Receivables, 30 to 59 Days Past Due |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |
Total past due loans | 4,819 | 2,849 |
1-4 family residential | Financing Receivables, 60 to 89 Days Past Due |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |
Total past due loans | 890 | 666 |
1-4 family residential | Financing Receivables, Equal to Greater than 90 Days Past Due |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |
Total past due loans | 414 | 596 |
Multi-family residential |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |
Current | 58,198 | 38,386 |
Ending balance | 58,198 | 38,386 | 38,523
Consumer |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |
Total past due loans | 512 | 633 |
Current | 52,803 | 54,144 |
Ending balance | 53,315 | 54,777 | 53,947
Consumer | Financing Receivables, 30 to 59 Days Past Due |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |
Total past due loans | 341 | 526 |
Consumer | Financing Receivables, 60 to 89 Days Past Due |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |
Total past due loans | 81 | 51 |
Consumer | Financing Receivables, Equal to Greater than 90 Days Past Due |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |
Total past due loans | 90 | 56 |
Agricultural |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |
Total past due loans | 65 | 205 |
Current | 18,663 | 23,072 |
Ending balance | 18,728 | 23,277 | 24,184
Agricultural | Financing Receivables, 30 to 59 Days Past Due |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |
Total past due loans | 65 | 105 |
Agricultural | Financing Receivables, 60 to 89 Days Past Due |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |
Total past due loans |  | 59 |
Agricultural | Financing Receivables, Equal to Greater than 90 Days Past Due |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |
Total past due loans |  | 41 |
Overdrafts |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |
Current | 330 | 382 |
Ending balance | $ 330 | $ 382 | $ 326

X
- Definition Amount of financing receivable not past due. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 80 -URI http://asc.fasb.org/extlink&oid=118955255&loc=SL82922355-210448 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919253-210447 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of financing receivable past due. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 80 -URI http://asc.fasb.org/extlink&oid=118955255&loc=SL82922355-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919253-210447 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953401-111524 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentPastDue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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_FinancingReceivableRecordedInvestmentPastDueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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=118952595&loc=d3e4428-111522 + Details
Name: | us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables30To59DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables60To89DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember
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=gnty_ConstructionAndDevelopmentPortfolioSegmentMember
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: |

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

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

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

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