v3.26.1
Schedule of Shares Used in Calculation of Basic and Diluted Earnings Per Share (Details) (Parenthetical)
1 Months Ended
12 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Earnings per share:
Percentage of stock dividend
5.00%
5.00%
X
- Definition
Percentage of Stock Dividend.
+ References
No definition available.
+ Details
Name:
LARK_PercentageOfStockDividend
Namespace Prefix:
LARK_
Data Type:
dtr-types:percentItemType
Balance Type:
na
Period Type:
duration
X
- References
No definition available.
+ Details
Name:
us-gaap_EarningsPerShareAbstract
Namespace Prefix:
us-gaap_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration