XML 68 R59.htm IDEA: XBRL DOCUMENT
v3.22.1

Fair Value Measurements - Summary of Fair Value of Assets and Liabilities Measured on Recurring Basis (Detail) - Fair Value, Recurring [Member] - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Assets: |  |
Small Business Administration loan pools | $ 1,003 | $ 1,084
Obligations of state and political subdivisions | 43,892 | 48,482
Mortgage backed securities | 48,307 | 54,217
Total | 93,202 | 103,783
Fair Value, Inputs, Level 1 [Member] |  |
Assets: |  |
Small Business Administration loan pools | 0 | 0
Obligations of state and political subdivisions | 0 | 0
Mortgage backed securities | 0 | 0
Total | 0 | 0
Fair Value, Inputs, Level 2 [Member] |  |
Assets: |  |
Small Business Administration loan pools | 1,003 | 1,084
Obligations of state and political subdivisions | 43,892 | 48,482
Mortgage backed securities | 48,307 | 54,217
Total | 93,202 | 103,783
Fair Value, Inputs, Level 3 [Member] |  |
Assets: |  |
Small Business Administration loan pools | 0 | 0
Obligations of state and political subdivisions | 0 | 0
Mortgage backed securities | 0 | 0
Total | $ 0 | $ 0

X
- Definition Obligations of state and political subdivisions fair value disclosure. + References No definition available. + Details
Name: | lnkb_ObligationsOfStateAndPoliticalSubdivisionsFairValueDisclosure
Namespace Prefix: | lnkb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Small business administration loan pools fair value disclosure. + References No definition available. + Details
Name: | lnkb_SmallBusinessAdministrationLoanPoolsFairValueDisclosure
Namespace Prefix: | lnkb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
Name: | us-gaap_AssetsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Definition Fair value of securitized, pay-through debt securities collateralized by real estate mortgage loans classified as available-for-sale. + References No definition available. + Details
Name: | us-gaap_MortgageBackedSecuritiesAvailableForSaleFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |