XML 51 R41.htm IDEA: XBRL DOCUMENT
v3.22.2

Schedule of Troubled Debt Restructurings on Financing Receivables (Details) Number in Thousands, $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2022 USD ($) Number | Dec. 31, 2021 USD ($) Number
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | $ 669,916 | $ 662,388
Non-Accrual Balance [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, modifications, recorded investment, accruing balance | 1,451 | 1,938
Accrual Balance [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, modifications, recorded investment, accruing balance | 983 |
One To Four Family Residential Real Estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 192,517 | 166,081
Construction and Land Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | $ 23,092 | $ 27,644
Troubled debt restructurings, Number of loans | Number | 1 | 3
Construction and Land Loans [Member] | Non-Accrual Balance [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, modifications, recorded investment, accruing balance |  | $ 681
Construction and Land Loans [Member] | Accrual Balance [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, modifications, recorded investment, accruing balance |  | 113
Construction and Land Loans [Member] | Non Accrual Basis [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, modifications, recorded investment, accruing balance | 195 |
Agriculture Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 78,240 | 94,267
Municipal Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | $ 2,076 | $ 2,050
Troubled debt restructurings, Number of loans | Number | 1 | 1
Municipal Loans [Member] | Non-Accrual Balance [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, modifications, recorded investment, accruing balance |  |
Municipal Loans [Member] | Accrual Balance [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, modifications, recorded investment, accruing balance | 36 | 36
Consumer loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 25,531 | 24,541
One to four family residential real estate loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | $ 192,517 | $ 166,081
Troubled debt restructurings, Number of loans | Number | 2 | 2
One to four family residential real estate loans [Member] | Non-Accrual Balance [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, modifications, recorded investment, accruing balance |  |
One to four family residential real estate loans [Member] | Accrual Balance [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, modifications, recorded investment, accruing balance | 158 | 161
Commercial Real Estate Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | $ 209,879 | $ 198,472
Troubled debt restructurings, Number of loans | Number | 2 | 2
Commercial Real Estate Loans [Member] | Non-Accrual Balance [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, modifications, recorded investment, accruing balance | $ 1,224 | $ 1,224
Commercial Real Estate Loans [Member] | Accrual Balance [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, modifications, recorded investment, accruing balance |  |
Commercial Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | $ 137,929 | $ 132,154
Troubled debt restructurings, Number of loans | Number | 2 | 4
Commercial Loan [Member] | Non-Accrual Balance [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, modifications, recorded investment, accruing balance | $ 32 | $ 33
Commercial Loan [Member] | Accrual Balance [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, modifications, recorded investment, accruing balance | $ 297 | $ 436
Agriculture Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Troubled debt restructurings, Number of loans | Number | 3 | 4
Agriculture Loan [Member] | Non-Accrual Balance [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, modifications, recorded investment, accruing balance |  |
Agriculture Loan [Member] | Accrual Balance [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, modifications, recorded investment, accruing balance | $ 492 | $ 742
Troubled Debt Restructurings [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Troubled debt restructurings, Number of loans | Number | 11 | 16
Troubled Debt Restructurings [Member] | Accrual Balance [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, modifications, recorded investment, accruing balance |  | $ 1,488
Loans Receivables Non Classified [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | $ 659,006 | 644,346
Loans Receivables Non Classified [Member] | One To Four Family Residential Real Estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 191,962 | 165,299
Loans Receivables Non Classified [Member] | Construction and Land Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 22,897 | 26,963
Loans Receivables Non Classified [Member] | Commercial Real Estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 205,227 | 193,669
Loans Receivables Non Classified [Member] | Commercial Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 133,719 | 123,609
Loans Receivables Non Classified [Member] | Paycheck Protection Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 652 | 17,179
Loans Receivables Non Classified [Member] | Agriculture Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 76,952 | 91,036
Loans Receivables Non Classified [Member] | Municipal Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 2,076 | 2,050
Loans Receivables Non Classified [Member] | Consumer loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 25,521 | 24,541
Loans Receivables Classified [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 10,910 | 18,042
Loans Receivables Classified [Member] | One To Four Family Residential Real Estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 555 | 782
Loans Receivables Classified [Member] | Construction and Land Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 195 | 681
Loans Receivables Classified [Member] | Commercial Real Estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 4,652 | 4,803
Loans Receivables Classified [Member] | Commercial Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 4,210 | 8,545
Loans Receivables Classified [Member] | Paycheck Protection Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  |
Loans Receivables Classified [Member] | Agriculture Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 1,288 | 3,231
Loans Receivables Classified [Member] | Municipal Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total |  |
Loans Receivables Classified [Member] | Consumer loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | $ 10 |

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

X
- Definition Number of financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsNumberOfContracts2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of financing receivable modified as troubled debt restructuring. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=121585226&loc=d3e18845-111554 + Details
Name: | us-gaap_FinancingReceivableModificationsRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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 https://asc.fasb.org/extlink&oid=124259787&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_LoanRestructuringModificationAxis=LARK_NonAccrualBalanceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanRestructuringModificationAxis=LARK_AccrualBalanceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=LARK_OneToFourFamilyResidentialRealEstateMember
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_LoanRestructuringModificationAxis=LARK_NonAccrualBasisMember
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: |

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

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

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=LARK_LoansReceivablesNonClassifiedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=LARK_LoansReceivablesClassifiedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |