XML 78 R65.htm IDEA: XBRL DOCUMENT
v3.23.1

Schedule of Loan to Directors Officers and Affiliated Parties (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 USD ($)
Receivables [Abstract] |
Balance at December 31, 2021 | $ 9,937
New loans | 15,525
Repayments | (10,889)
Balance at December 31, 2022 | $ 14,573

X
- Definition Issuance of loans and unfunded commitments. + References No definition available. + Details
Name: | LARK_IssuanceOfLoansAndUnfundedCommitments
Namespace Prefix: | LARK_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Loans and unfunded commitments. + References No definition available. + Details
Name: | LARK_LoansAndUnfundedCommitments
Namespace Prefix: | LARK_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Proceeds from loans and unfunded commitments. + References No definition available. + Details
Name: | LARK_ProceedsFromLoansAndUnfundedCommitments
Namespace Prefix: | LARK_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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