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Fair Value Measurements (Details 1) (Mortgage servicing rights [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Mortgage servicing rights [Member]
Summary of changes in Level 3 assets and liabilities measured at fair value on a recurring basis
Balance at beginning of period	$ 2,549	$ 0
Transfer into level 3	0	3,050
Total gains or losses (realized/unrealized) Included in earnings	(57)	(485)
Total gains or losses (realized/unrealized) included in other comprehensive income	0	0
Purchases	0	0
Sales	0	0
Issued	197	182
Settlements	0	0
Balance at end of period	$ 2,689	$ 2,747

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- Definition

This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

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- Definition

Amount of gain (loss) recognized in earnings, arising from assets measured at fair value on a recurring basis using unobservable inputs (level 3).

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-Publisher FASB

-Name Accounting Standards Codification

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Amount of gain (loss) recognized in other comprehensive income, arising from assets measured at fair value on a recurring basis using unobservable inputs (level 3).

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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Issues that have taken place during the period in relation to assets measured at fair value and categorized within Level 3 of the fair value hierarchy.

+ References

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Purchases that have taken place during the period in relation to assets measured at fair value and categorized within Level 3 of the fair value hierarchy.

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Sales that have taken place during the period in relation to assets measured at fair value and categorized within Level 3 of the fair value hierarchy.

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Settlements that have taken place during the period in relation to assets measured at fair value and categorized within Level 3 of the fair value hierarchy.

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Transfers into assets measured at fair value and categorized within Level 3 of the fair value hierarchy that have taken place during the period.

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