Commitments and Contingencies: Schedule of Outstanding Interest Rate Swaps (Details) (USD $)	Jun. 30, 2012	Dec. 31, 2011
Notional Amount of Derivatives	$ 162,925,000	$ 117,110,000
Weighted average pay rate	4.64%	4.66%
Weighted average receive rate	4.05%	3.85%
Weighted average maturity in years	7.7000	7.7000
Unrealized gain included in total loans	3,569,000	3,559,000
Unrealized gain included in other assets	4,165,000	2,108,000
Unrealized loss included in other liabilities	$ 7,732,000	$ 5,666,000