Federal Home Loan Bank Stock (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010
Federal Home Loan Bank Stock
Federal home loan bank stock	$ 26,057		$ 26,564
Minimum required Capital-to-assets ratio of FHLB	4.00%
Capital ratio of FHLB		8.10%

Federal Home Loan Bank (FHLB) stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity).

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Audit and Accounting Guide (AAG)
-Number AAG-DEP
-Chapter 12
-Paragraph 26
-IssueDate 2006-05-01

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Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant