Fair Value (Details 1) (Fair Value Measurements Recurring [Member], USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Financial Assets
Total investment securities available-for-sale	$ 123,515	$ 131,974
Loans held for sale	1,692	3,049
Derivatives - residential mortgage loan commitments	112	57
Financial Liabilities
Derivatives - interest rate swaps	(2,205)	(2,283)
U.S. federal agency obligations [Member]
Financial Assets
Total investment securities available-for-sale	8,510	12,601
State and municipal [Member]
Financial Assets
Total investment securities available-for-sale	43,485	43,106
Mortgage-backed securities - residential [Member]
Financial Assets
Total investment securities available-for-sale	15,779	31,789
Government agency sponsored collateralized mortgage obligations [Member]
Financial Assets
Total investment securities available-for-sale	51,803	44,478
Corporate debt securities [Member]
Financial Assets
Total investment securities available-for-sale	3,938
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Financial Assets
Total investment securities available-for-sale
Loans held for sale
Derivatives - residential mortgage loan commitments
Financial Liabilities
Derivatives - interest rate swaps
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] \| U.S. federal agency obligations [Member]
Financial Assets
Total investment securities available-for-sale
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] \| State and municipal [Member]
Financial Assets
Total investment securities available-for-sale
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] \| Mortgage-backed securities - residential [Member]
Financial Assets
Total investment securities available-for-sale
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] \| Government agency sponsored collateralized mortgage obligations [Member]
Financial Assets
Total investment securities available-for-sale
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] \| Corporate debt securities [Member]
Financial Assets
Total investment securities available-for-sale
Significant Other Observable Inputs (Level 2) [Member]
Financial Assets
Total investment securities available-for-sale	123,515	131,974
Loans held for sale	1,692	3,049
Derivatives - residential mortgage loan commitments	112	57
Financial Liabilities
Derivatives - interest rate swaps	(2,205)	(2,283)
Significant Other Observable Inputs (Level 2) [Member] \| U.S. federal agency obligations [Member]
Financial Assets
Total investment securities available-for-sale	8,510	12,601
Significant Other Observable Inputs (Level 2) [Member] \| State and municipal [Member]
Financial Assets
Total investment securities available-for-sale	43,485	43,106
Significant Other Observable Inputs (Level 2) [Member] \| Mortgage-backed securities - residential [Member]
Financial Assets
Total investment securities available-for-sale	15,779	31,789
Significant Other Observable Inputs (Level 2) [Member] \| Government agency sponsored collateralized mortgage obligations [Member]
Financial Assets
Total investment securities available-for-sale	51,803	44,478
Significant Other Observable Inputs (Level 2) [Member] \| Corporate debt securities [Member]
Financial Assets
Total investment securities available-for-sale	3,938
Significant Unobservable Inputs (Level 3) [Member]
Financial Assets
Total investment securities available-for-sale
Loans held for sale
Derivatives - residential mortgage loan commitments
Financial Liabilities
Derivatives - interest rate swaps
Significant Unobservable Inputs (Level 3) [Member] \| U.S. federal agency obligations [Member]
Financial Assets
Total investment securities available-for-sale
Significant Unobservable Inputs (Level 3) [Member] \| State and municipal [Member]
Financial Assets
Total investment securities available-for-sale
Significant Unobservable Inputs (Level 3) [Member] \| Mortgage-backed securities - residential [Member]
Financial Assets
Total investment securities available-for-sale
Significant Unobservable Inputs (Level 3) [Member] \| Government agency sponsored collateralized mortgage obligations [Member]
Financial Assets
Total investment securities available-for-sale
Significant Unobservable Inputs (Level 3) [Member] \| Corporate debt securities [Member]
Financial Assets
Total investment securities available-for-sale

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 Available-for-sale Securities which consist of all investments in certain debt and equity securities neither classified as trading or held-to-maturity securities. A debt security represents a creditor relationship with an enterprise. Debt securities include, among other items, US Treasury securities, US government securities, municipal securities, corporate bonds, convertible debt, commercial paper, and all securitized debt instruments. An equity security represents an ownership interest in an enterprise or the right to acquire or dispose of an ownership interest in an enterprise at fixed or determinable prices. Equity securities include, among other things, common stock, certain preferred stock, warrant rights, call options, and put options, but do not include convertible debt. An entity may opt to provide the reader with additional narrative text to better understand the nature of investments in debt and equity securities which are categorized as Available-for-sale.

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- Definition

Fair values as of the balance sheet date of all assets resulting from contracts that meet the criteria of being accounted for as derivative instruments, net of the effects of master netting arrangements.

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- Definition

Derivative instrument obligations meeting the definition of a liability which the Company is a party to as of the balance sheet date.

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LaPorte Bancorp, Inc. 10-Q