Regulatory Capital Requirements under Banking Regulations: Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Consolidated
Tier One Risk Based Capital	$ 4,070	$ 4,908
Tier One Risk Based Capital to Risk Weighted Assets	9.91%	11.20%
Tier One Risk Based Capital Required for Capital Adequacy	1,644	1,756
Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets	4.00%	4.00%
Tier One Risk Based Capital Required to be Well Capitalized
Tier One Leverage Capital	4,070	4,908
Tier One Leverage Capital to Average Assets	6.00%	6.29%
Tier One Leverage Capital Required for Capital Adequacy	2,715	3,122
Tier One Leverage Capital Required for Capital Adequacy to Average Assets	4.00%	4.00%
Tier One Leverage Capital Required to be Well Capitalized
Bank
Capital	4,584	5,440
Capital to Risk Weighted Assets	11.16%	12.41%
Capital Required for Capital Adequacy	3,287	3,507
Capital Required for Capital Adequacy to Risk Weighted Assets	8.00%	8.00%
Capital Required to be Well Capitalized	4,109	4,384
Tier One Risk Based Capital	4,070	4,888
Tier One Risk Based Capital to Risk Weighted Assets	9.91%	11.15%
Tier One Risk Based Capital Required for Capital Adequacy	1,644	1,754
Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets	4.00%	4.00%
Tier One Risk Based Capital Required to be Well Capitalized	2,465	3,899
Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets	6.00%	6.00%
Tier One Leverage Capital	4,070	4,888
Tier One Leverage Capital to Average Assets	6.00%	6.27%
Tier One Leverage Capital Required for Capital Adequacy	2,715	3,119
Tier One Leverage Capital Required for Capital Adequacy to Average Assets	4.00%	4.00%
Tier One Leverage Capital Required to be Well Capitalized	$ 3,394	$ 2,630
Tier One Leverage Capital Required to be Well Capitalized to Average Assets	5.00%	5.00%