Consolidated Statements of Comprehensive Income (Unaudited) (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2013	Mar. 31, 2012
Consolidated Statement of Comprehensive Income [Abstract]
Unrealized gain on interest rate swaps, tax	$ (6)
Reclassification adjustment for losses recognized in earnings, net of tax	(34)	(33)
Unrealized losses on other-than-temporarily impaired securities available for sale arising during the period, net of tax	15
Unrealized losses on other securities available for sale arising during the period, net of tax	865	647
Reclassification adjustment for realized gains included in net income, net of tax	$ 27	$ 198

Other comprehensive income loss reclassification adjustment on derivatives included in earnings tax.

No definition available.

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- Definition

Tax effect of unrealized holding gain (loss) before reclassification adjustments on available-for-sale securities.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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Tax effect of the income statement impact of the reclassification adjustment for unrealized gain (loss) realized upon the sale of available-for-sale securities.

+ References

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Tax effect of the change in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Also includes an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

+ References

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

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-Number 130

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

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Tax effect of other than temporary impairment (OTTI) on a debt security, categorized as available-for-sale, recognized in other comprehensive income (loss), attributable to the parent entity.

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