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Schedule of Loan to Directors Officers and Affiliated Parties (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($)
Receivables [Abstract]
Balance at December 31, 2020	$ 16,094
New loans	10,920
Repayments	(17,077)
Balance at December 31, 2021	$ 9,937

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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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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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