XML 75 R60.htm IDEA: XBRL DOCUMENT
v3.19.1

Loans and Allowance for Loan Losses - Schedule of Risk Categories by Loan Class (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | --- | ---
Loans and Leases Receivable, Gross, Total | $ 495,247 | $ 439,236 | $ 425,769
One-to-Four Family Residential Real Estate Loans [Member] |  |  |
Loans and Leases Receivable, Gross, Total | 136,895 | 136,215 | 136,846
Construction and Land Loan [Member] |  |  |
Loans and Leases Receivable, Gross, Total | 20,083 | 19,356 | 13,738
Commercial Loans [Member] |  |  |
Loans and Leases Receivable, Gross, Total | 74,289 | 54,591 |
Agriculture Loans [Member] |  |  |
Loans and Leases Receivable, Gross, Total | 96,632 | 83,008 | 78,324
Municipal Loans [Member] |  |  |
Loans and Leases Receivable, Gross, Total | 2,953 | 3,396 | $ 3,884
Consumer Loans [Member] |  |  |
Loans and Leases Receivable, Gross, Total | 25,428 | 22,046 |
Loans Receivables Non Classified [Member] |  |  |
Loans and Leases Receivable, Gross, Total | 463,444 | 422,958 |
Loans Receivables Non Classified [Member] | One-to-Four Family Residential Real Estate Loans [Member] |  |  |
Loans and Leases Receivable, Gross, Total | 135,947 | 135,475 |
Loans Receivables Non Classified [Member] | Construction and Land Loan [Member] |  |  |
Loans and Leases Receivable, Gross, Total | 19,135 | 18,577 |
Loans Receivables Non Classified [Member] | Commercial Real Estate Loans [Member] |  |  |
Loans and Leases Receivable, Gross, Total | 126,619 | 114,736 |
Loans Receivables Non Classified [Member] | Commercial Loans [Member] |  |  |
Loans and Leases Receivable, Gross, Total | 66,490 | 52,313 |
Loans Receivables Non Classified [Member] | Agriculture Loans [Member] |  |  |
Loans and Leases Receivable, Gross, Total | 86,917 | 76,455 |
Loans Receivables Non Classified [Member] | Municipal Loans [Member] |  |  |
Loans and Leases Receivable, Gross, Total | 2,953 | 3,396 |
Loans Receivables Non Classified [Member] | Consumer Loans [Member] |  |  |
Loans and Leases Receivable, Gross, Total | 25,383 | 22,006 |
Loans Receivables Classified [Member] |  |  |
Loans and Leases Receivable, Gross, Total | 31,803 | 16,278 |
Loans Receivables Classified [Member] | One-to-Four Family Residential Real Estate Loans [Member] |  |  |
Loans and Leases Receivable, Gross, Total | 948 | 740 |
Loans Receivables Classified [Member] | Construction and Land Loan [Member] |  |  |
Loans and Leases Receivable, Gross, Total | 948 | 779 |
Loans Receivables Classified [Member] | Commercial Real Estate Loans [Member] |  |  |
Loans and Leases Receivable, Gross, Total | 12,348 | 5,888 |
Loans Receivables Classified [Member] | Commercial Loans [Member] |  |  |
Loans and Leases Receivable, Gross, Total | 7,799 | 2,278 |
Loans Receivables Classified [Member] | Agriculture Loans [Member] |  |  |
Loans and Leases Receivable, Gross, Total | 9,715 | 6,553 |
Loans Receivables Classified [Member] | Municipal Loans [Member] |  |  |
Loans and Leases Receivable, Gross, Total |  |  |
Loans Receivables Classified [Member] | Consumer Loans [Member] |  |  |
Loans and Leases Receivable, Gross, Total | $ 45 | $ 40 |

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=82891408&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_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_FinancialInstrumentAxis=LARK_CommercialLoansMember
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_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_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=LARK_LoansReceivablesClassifiedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |