Fair Value Measurements: Fair Value Measurements, Nonrecurring, Valuation Techniques (Details) (Market Approach, USD $)	Jun. 30, 2013
Impaired loans
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Assets, estimated fair value, nonrecurring	$ 17,754,000
Other real estate owned
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Assets, estimated fair value, nonrecurring	$ 15,314,000

This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a nonrecurring basis 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.

No definition available.

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