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Intangible Assets and Mortgage Servicing Rights: Mortgage Servicing Rights Policy (Policies)	3 Months Ended
	Jun. 30, 2012
Mortgage Servicing Rights Policy:
Mortgage Servicing Rights Policy	Mortgage Servicing Rights: Mortgage servicing rights are reported in other assets. Mortgage servicing rights are initially recorded at fair value and are amortized in proportion to, and over the period of, the estimated future net servicing income of the underlying financial assets. Mortgage servicing rights are subsequently evaluated for impairment based upon the fair value of the rights compared to the amortized cost (remaining unamortized initial fair value). If the fair value is less than the amortized cost, a valuation allowance is created through an impairment charge to servicing fee income. However, if the fair value is greater than the amortized cost, the amount above the amortized cost is not recognized in the carrying value. During the first six months of 20120 and during all of 20110, the Company did not record an impairment charge. Loans serviced for others totaled $780 million$780,000,000 and $660 million$660,000,000 at June 30, 2012 and December 31, 2011, respectively. Custodial accounts maintained in connection with this servicing totaled $4.2 million$4,200,000 and $3.1 million$3,100,000 at June 30, 2012 and December 31, 2011, respectively.