XML 52 R41.htm IDEA: XBRL DOCUMENT
v3.24.2.u1

Schedule of Past Due Financing Receivables (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | $ 1,872 | $ 1,582
Financing Receivable, Nonaccrual | 5,007 | 2,391
Financing Receivable, 90 Days or More Past Due, Still Accruing | $ 6,879 | $ 3,973
Percentage of gross loans, Total past due loans accruing | 0.19% | 0.17%
Percentage of gross loans, Total past due loans non-accruing | 0.51% | 0.25%
Financial Asset, 30 to 59 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | $ 698 | $ 1,003
Percentage of gross loans, Total past due loans accruing | 0.07% | 0.11%
Financial Asset, 60 to 89 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | $ 1,174 | $ 579
Percentage of gross loans, Total past due loans accruing | 0.12% | 0.06%
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss |  |
Financing Receivable, Nonaccrual | 2,919 | 1,548
Financing Receivable, 90 Days or More Past Due, Still Accruing |  |
Percentage of gross loans, Total past due loans accruing | 0.00% | 0.00%
Financial Asset, Not Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | $ 973,696 | $ 944,683
Percentage of gross loans, Total past due loans accruing | 99.30% | 99.58%
Financial Asset, Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Percentage of gross loans, Total past due loans non-accruing | 0.70% | 0.42%
One to Four Family Residential Real Estate Loans [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | $ 181 | $ 332
Financing Receivable, Nonaccrual |  | 192
Financing Receivable, 90 Days or More Past Due, Still Accruing | 181 | 524
One to Four Family Residential Real Estate Loans [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 19 | 85
One to Four Family Residential Real Estate Loans [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 162 | 247
One to Four Family Residential Real Estate Loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss |  |
One to Four Family Residential Real Estate Loans [Member] | Financial Asset, Not Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 331,909 | 302,020
Construction And Land Loans [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss |  |
Financing Receivable, Nonaccrual |  |
Financing Receivable, 90 Days or More Past Due, Still Accruing |  |
Construction And Land Loans [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss |  |
Construction And Land Loans [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss |  |
Construction And Land Loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss |  |
Construction And Land Loans [Member] | Financial Asset, Not Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 30,480 | 21,090
Commercial Real Estate Loans [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 705 | 153
Financing Receivable, Nonaccrual | 701 |
Financing Receivable, 90 Days or More Past Due, Still Accruing | 1,406 | 153
Commercial Real Estate Loans [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 34 | 153
Commercial Real Estate Loans [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 671 |
Commercial Real Estate Loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss |  |
Financing Receivable, Nonaccrual |  |
Financing Receivable, 90 Days or More Past Due, Still Accruing |  |
Commercial Real Estate Loans [Member] | Financial Asset, Not Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 317,444 | 320,809
Commercial Loan [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 116 | 731
Financing Receivable, Nonaccrual | 3,258 | 1,880
Financing Receivable, 90 Days or More Past Due, Still Accruing | 3,374 | 2,611
Commercial Loan [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 58 | 399
Commercial Loan [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 58 | 332
Commercial Loan [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss |  |
Commercial Loan [Member] | Financial Asset, Not Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 175,502 | 178,331
Agriculture Loans [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 769 | 256
Financing Receivable, Nonaccrual | 1,023 | 295
Financing Receivable, 90 Days or More Past Due, Still Accruing | 1,792 | 551
Agriculture Loans [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 535 | 256
Agriculture Loans [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 234 |
Agriculture Loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss |  |
Agriculture Loans [Member] | Financial Asset, Not Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 82,731 | 89,129
Municipal Loans [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss |  |
Financing Receivable, Nonaccrual |  |
Financing Receivable, 90 Days or More Past Due, Still Accruing |  |
Municipal Loans [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss |  |
Municipal Loans [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss |  |
Municipal Loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss |  |
Municipal Loans [Member] | Financial Asset, Not Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 6,556 | 4,507
Consumer Loans [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 101 | 110
Financing Receivable, Nonaccrual | 25 | 24
Financing Receivable, 90 Days or More Past Due, Still Accruing | 126 | 134
Consumer Loans [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 52 | 110
Consumer Loans [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 49 |
Consumer Loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss |  |
Consumer Loans [Member] | Financial Asset, Not Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | $ 29,074 | $ 28,797

X
- Definition Percentage of nonaccrual financing receivable balance outstanding that is past due. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 14 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-14 + Details
Name: | us-gaap_FinancingReceivableNonaccrualPercentPastDue1
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of financing receivable balance that is past due. + References No definition available. + Details
Name: | us-gaap_FinancingReceivablePercentPastDue1
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amortized cost of financing receivable 90 days or more past due and still accruing. Excludes net investment in lease. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-7 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 80 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-80 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 16 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-16 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost of financing receivable on nonaccrual status. Excludes net investment in lease. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-7 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph a -Subparagraph (3) -Publisher SEC Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph a -Subparagraph (2) -Publisher SEC Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 16 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-16 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
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 Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 14 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-14 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 80 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-80 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481990/310-10-45-13 Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7A -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-7A Reference 3: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 29 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-29 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph a -Subparagraph (1) -Publisher SEC Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph a -Subparagraph (2) -Publisher SEC Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef -Name Regulation S-K (SK) -Number 229 -Section 1404 -Paragraph a -Publisher SEC Reference 7: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 80 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-80 Reference 8: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-1 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 14 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-14 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-5 + Details
Name: | us-gaap_NotesReceivableGross
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_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancialAssetNotPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=LARK_OneToFourFamilyResidentialRealEstateLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=LARK_ConstructionAndLandLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=LARK_CommercialRealEstateLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CommercialLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=LARK_AgricultureLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=LARK_MunicipalLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=LARK_ConsumerLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |