XML 26 R40.htm IDEA: XBRL DOCUMENT v2.4.0.6

Fair Value of Financial Instruments and Fair Value Measurements (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2013	Dec. 31, 2012
Assets:
Impaired loans	$ 12,759	$ 13,632
Loans held for sale, net	5,331	7,179
Mortgage servicing rights	2,152	1,859
Real estate owned, net	2,214	2,444
Total gains and losses on Impaired loans	13	(758)
Total gains and losses on Loans held for sale, net	0	0
Total gains and losses on Mortgage servicing rights	0	0
Total gains and losses on Real estate owned, net	(33)	(175)
Fair Value, Inputs, Level 1 [Member]
Assets:
Impaired loans	0	0
Loans held for sale, net	0	0
Mortgage servicing rights	0	0
Real estate owned, net	0	0
Fair Value, Inputs, Level 2 [Member]
Assets:
Impaired loans	0	0
Loans held for sale, net	5,331	7,179
Mortgage servicing rights	0	0
Real estate owned, net	0	0
Fair Value, Inputs, Level 3 [Member]
Assets:
Impaired loans	12,759	13,632
Loans held for sale, net	0	0
Mortgage servicing rights	2,152	1,859
Real estate owned, net	$ 2,214	$ 2,444

X

- Definition

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as impaired loans disclosure.

+ References

No definition available.

+ Details

Name:	lark_ImpairedLoansFairValueDisclosure
Namespace Prefix:	lark_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a Mortgage servicing rights.

+ References

No definition available.

+ Details

Name:	lark_MortgageServicingRights
Namespace Prefix:	lark_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount of total loss on fair value of loans.

+ References

No definition available.

+ Details

Name:	lark_TotalLossOnImpairedLoans
Namespace Prefix:	lark_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Amount of total loss on loans held for sale.

+ References

No definition available.

+ Details

Name:	lark_TotalLossOnLoansHeldForSale
Namespace Prefix:	lark_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount of total loss on mortgage servicing rights.

+ References

No definition available.

+ Details

Name:	lark_TotalLossOnMortgageServicingRights
Namespace Prefix:	lark_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount of total loss on real estate owned.

+ References

No definition available.

+ Details

Name:	lark_TotalLossOnRealEstateOwned
Namespace Prefix:	lark_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_AssetsFairValueDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents loans held-for-sale as presented on the statement of financial position which may include mortgage loans held-for-sale, finance receivables held-for-sale, or any other loans classified as held-for-sale which are due the Company as of the balance sheet date.

+ References

No definition available.

+ Details

Name:	us-gaap_LoansHeldForSaleFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Carrying amount as of the balance sheet date of other real estate and foreclosed assets. Other real estate may include real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. Foreclosed assets include all assets obtained in full or partial satisfaction of a debt arrangement through foreclosure proceedings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.10(4))

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Audit and Accounting Guide (AAG)

-Number AAG-DEP

-Paragraph 2, 3, 4

-IssueDate 2006-05-01

-Chapter 11

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Name:	us-gaap_OtherRealEstateAndForeclosedAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant