XML 13 R36.htm IDEA: XBRL DOCUMENT
v3.20.1

Loans and Allowance for Loan Losses - Schedule of Allowance for Credit Losses on Financing Receivables (Details) - USD ($) $ in Thousands | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Mar. 31, 2020 | Dec. 31, 2019
Balance | $ 6,467 | $ 5,765 |  |
Charge-offs | (220) | (49) |  |
Recoveries | 32 | 22 |  |
Provision for loan losses | 1,200 | 200 |  |
Balance | 7,479 | 5,938 |  |
Individually evaluated for loss |  |  | $ 543 | $ 733
Collectively evaluated for loss |  |  | 6,936 | 5,734
Total | 7,479 | 5,765 | 7,479 | 6,467
Individually evaluated for loss |  |  | 10,598 | 8,680
Collectively evaluated for loss |  |  | 550,446 | 529,712
Loans and Leases Receivable, Gross, Total |  |  | 561,044 | 538,392
One-to-Four Family Residential Real Estate Loans [Member] |  |  |  |
Balance | 501 | 449 |  |
Charge-offs |  |  |  |
Recoveries |  | 1 |  |
Provision for loan losses | 152 | 24 |  |
Balance | 653 | 474 |  |
Individually evaluated for loss |  |  | 129 | 129
Collectively evaluated for loss |  |  | 524 | 372
Total | 653 | 474 | 653 | 501
Individually evaluated for loss |  |  | 1,436 | 1,256
Collectively evaluated for loss |  |  | 147,558 | 145,249
Loans and Leases Receivable, Gross, Total |  |  | 148,994 | 146,505
Construction and Land Loan [Member] |  |  |  |
Balance | 271 | 168 |  |
Charge-offs | (100) |  |  |
Recoveries |  |  |  |
Provision for loan losses | 54 | (12) |  |
Balance | 225 | 156 |  |
Individually evaluated for loss |  |  | 91 | 191
Collectively evaluated for loss |  |  | 134 | 80
Total | 225 | 156 | 225 | 271
Individually evaluated for loss |  |  | 1,319 | 1,479
Collectively evaluated for loss |  |  | 23,338 | 20,980
Loans and Leases Receivable, Gross, Total |  |  | 24,657 | 22,459
Commercial Real Estate Loans [Member] |  |  |  |
Balance | 1,386 | 1,686 |  |
Charge-offs |  |  |  |
Recoveries |  |  |  |
Provision for loan losses | 242 | 185 |  |
Balance | 1,628 | 1,871 |  |
Individually evaluated for loss |  |  | 52 | 103
Collectively evaluated for loss |  |  | 1,576 | 1,283
Total | 1,628 | 1,871 | 1,628 | 1,386
Individually evaluated for loss |  |  | 5,504 | 3,461
Collectively evaluated for loss |  |  | 136,208 | 130,040
Loans and Leases Receivable, Gross, Total |  |  | 141,712 | 133,501
Commercial Loans [Member] |  |  |  |
Balance | 1,815 | 1,051 |  |
Charge-offs | (33) |  |  |
Recoveries | 1 | 1 |  |
Provision for loan losses | 642 | 113 |  |
Balance | 2,425 | 1,165 |  |
Individually evaluated for loss |  |  | 235 | 204
Collectively evaluated for loss |  |  | 2,190 | 1,611
Total | 2,425 | 1,165 | 2,425 | 1,815
Individually evaluated for loss |  |  | 1,576 | 1,298
Collectively evaluated for loss |  |  | 119,695 | 108,314
Loans and Leases Receivable, Gross, Total |  |  | 121,271 | 109,612
Agriculture Loans [Member] |  |  |  |
Balance | 2,347 | 2,238 |  |
Charge-offs |  |  |  |
Recoveries |  |  |  |
Provision for loan losses | 34 | (110) |  |
Balance | 2,381 | 2,128 |  |
Individually evaluated for loss |  |  | 36 | 106
Collectively evaluated for loss |  |  | 2,345 | 2,241
Total | 2,381 | 2,128 | 2,381 | 2,347
Individually evaluated for loss |  |  | 690 | 1,124
Collectively evaluated for loss |  |  | 95,430 | 97,434
Loans and Leases Receivable, Gross, Total |  |  | 96,120 | 98,558
Municipal Loans [Member] |  |  |  |
Balance | 7 | 7 |  |
Charge-offs |  |  |  |
Recoveries | 6 | 6 |  |
Provision for loan losses | (6) | (6) |  |
Balance | 7 | 7 |  |
Individually evaluated for loss |  |  |  |
Collectively evaluated for loss |  |  | 7 | 7
Total | 7 | 7 | 7 | 7
Individually evaluated for loss |  |  | 58 | 58
Collectively evaluated for loss |  |  | 2,570 | 2,598
Loans and Leases Receivable, Gross, Total |  |  | 2,628 | 2,656
Consumer Loans [Member] |  |  |  |
Balance | 140 | 166 |  |
Charge-offs | (87) | (49) |  |
Recoveries | 25 | 14 |  |
Provision for loan losses | 82 | 6 |  |
Balance | 160 | 137 |  |
Individually evaluated for loss |  |  |  |
Collectively evaluated for loss |  |  | 160 | 140
Total | $ 160 | $ 137 | 160 | 140
Individually evaluated for loss |  |  | 15 | 4
Collectively evaluated for loss |  |  | 25,647 | 25,097
Loans and Leases Receivable, Gross, Total |  |  | $ 25,662 | $ 25,101

X
- Definition Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(4) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 + Details
Name: | us-gaap_AllowanceForLoanAndLeaseLossRecoveryOfBadDebts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 + Details
Name: | us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The balance of financing receivables that were collectively evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The balance of financing receivables that were individually evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for 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 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI http://asc.fasb.org/extlink&oid=121614798&loc=d3e15032-111544 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L.1) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74567-122707 + Details
Name: | us-gaap_LoansAndLeasesReceivableAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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 http://asc.fasb.org/extlink&oid=121593590&loc=d3e4428-111522 + Details
Name: | us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of expense related to estimated loss from loan and lease transactions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.11) -URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 + Details
Name: | us-gaap_ProvisionForLoanAndLeaseLosses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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_CommercialRealEstateLoanMember
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=us-gaap_ConsumerLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |