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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

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- Definition

Issuance of loans and unfunded commitments.

+ References

No definition available.

+ Details

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- Definition

Loans and unfunded commitments.

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	instant

X

- Definition

Proceeds from loans and unfunded commitments.

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No definition available.

+ Details

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Namespace Prefix:	LARK_
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Balance Type:	debit
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- References

No definition available.

+ Details

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