XML 19 R5.htm IDEA: XBRL DOCUMENT v3.24.1

Consolidated Statements of Earnings (Parenthetical)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Consolidated Statements Of Earnings
Stock dividend percentage	5.00%	5.00%	5.00%

X

- References

No definition available.

+ Details

Name:	LARK_StatementConsolidatedStatementsOfEarningsParentheticalAbstract
Namespace Prefix:	LARK_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Stock dividend percentage.

+ References

No definition available.

+ Details

Name:	LARK_StockDividendPercentage
Namespace Prefix:	LARK_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration