Fair Value Measurement: Schedule of Fair Value of Mortgage Servicing Rights (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Mortgage Servicing Rights Additions	$ 17	$ 3	$ 31	$ 11
Mortgage Servicing Rights Amortization	(59)	(95)	(129)	(198)
Mortgage Servicing Rights Balance June 30	$ 194	$ 450	$ 194	$ 450