XML 69 R62.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

EQUITY AWARDS - Summary of Restricted Stock Awards and Units Activity (Details) - Restricted Stock Awards - $ / shares | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Number of Shares |  |
Outstanding at beginning of year (in shares) | 15,390 | 18,930
Granted (in shares) | 2,388 | 1,474
Vested (in shares) | (3,511) | (2,970)
Forfeited (in shares) | (221) | (880)
Balance (in shares) | 14,046 | 16,554
Weighted-Average Grant Date Fair Value |  |
Outstanding at beginning of year | $ 28.87 | $ 27.51
Granted | 30.49 | 34.1
Vested | 5.31 | 27.5
Forfeited | 34.1 | 27.78
Balance | $ 29.14 | $ 29.03

X
- Definition Share based compensation arrangement by share based payment award non option equity instruments vested. + References No definition available. + Details
Name: | gnty_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsVested
Namespace Prefix: | gnty_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share based compensation arrangement by share based payment award non-options forfeitures in period weighted average grant date fair value. + References No definition available. + Details
Name: | gnty_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionsForfeituresInPeriodWeightedAverageGrantDateFairValue
Namespace Prefix: | gnty_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share based compensation arrangement by share based payment award non-options granted in period weighted average grant date fair value. + References No definition available. + Details
Name: | gnty_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionsGrantedInPeriodWeightedAverageGrantDateFairValue
Namespace Prefix: | gnty_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share-based compensation arrangement by share-based payment award, non-options, nonvested, weighted average grant date fair value. + References No definition available. + Details
Name: | gnty_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionsNonvestedWeightedAverageGrantDateFairValueAbstract
Namespace Prefix: | gnty_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share based compensation arrangement by share based payment award non-options vested in period weighted average grant date fair value. + References No definition available. + Details
Name: | gnty_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionsVestedInPeriodWeightedAverageGrantDateFairValue
Namespace Prefix: | gnty_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Sharebased compensation arrangement by sharebased payment award non-options nonvested weighted average grant date fair value + References No definition available. + Details
Name: | gnty_SharebasedCompensationArrangementBySharebasedPaymentAwardNonOptionsNonvestedWeightedAverageGrantDateFairValue
Namespace Prefix: | gnty_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of shares under non-option equity instrument agreements that were cancelled as a result of occurrence of a terminating event. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(3) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeitures
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Net number of non-option equity instruments granted to participants. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(1) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of equity instruments other than options outstanding, including both vested and non-vested instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(ii) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

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_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AwardTypeAxis=gnty_RestrictedStockAwardsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |