XML 39 R28.htm IDEA: XBRL DOCUMENT
v3.23.3

Mortgage Loan Servicing (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2023
Mortgage Loan Servicing |
Schedule of Participating Mortgage Loans | Mortgage loans serviced for others are not reported as assets. The following table provides information on the principal balances of mortgage loans serviced for others: Schedule of Participating Mortgage Loans
(Dollars in thousands) |  | September 30, |  |  | December 31, |
|  | 2023 |  |  | 2022 |
FHLMC |  | $ | 672,397 |  |  | $ | 685,859 |
FHLB |  |  | 27,788 |  |  |  | 27,285 |
Total |  | $ | 700,185 |  |  | $ | 713,144 |
Schedule of Servicing Asset at Amortized Cost | Activity for mortgage servicing rights was as follows: Schedule of Servicing Asset at Amortized Cost
|  | 2023 |  |  | 2022 |  |  | 2023 |  |  | 2022 |
|  | Three months ended |  |  | Nine months ended |
(Dollars in thousands) |  | September 30, |  |  | September 30, |
|  | 2023 |  |  | 2022 |  |  | 2023 |  |  | 2022 |
Mortgage servicing rights: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period |  | $ | 3,514 |  |  | $ | 4,025 |  |  | $ | 3,813 |  |  | $ | 4,193 |
Additions |  |  | 130 |  |  |  | 253 |  |  |  | 370 |  |  |  | 704 |
Amortization |  |  | (276 | ) |  |  | (298 | ) |  |  | (815 | ) |  |  | (917 | )
Balance at end of period |  | $ | 3,368 |  |  | $ | 3,980 |  |  | $ | 3,368 |  |  | $ | 3,980 |

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

X
- Definition Tabular disclosure of the terms and amounts of participation in loan arrangements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 470 -SubTopic 30 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481212/470-30-50-1 + Details
Name: | us-gaap_ScheduleOfParticipatingMortgageLoansTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of activity in the balance of servicing assets subsequently measured at amortized cost. Includes, but is not limited to, beginning and ending balances, additions, disposals, and amortization. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 860 -SubTopic 50 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481229/860-50-50-4 + Details
Name: | us-gaap_ScheduleOfServicingAssetsAtAmortizedValueTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration