Goodwill And Intangible Assets (Narrative) (Details) (USD $)	1 Months Ended	3 Months Ended								12 Months Ended				1 Months Ended	12 Months Ended				12 Months Ended		1 Months Ended
	Nov. 30, 2012	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Oct. 31, 2007 Alaska First [Member]	Dec. 31, 2012 Alaska First [Member]	Dec. 31, 2012 ECCM [Member]	Dec. 31, 2012 Pacific Wealth Advisors, LLC [Member]	Dec. 31, 2011 ECIA [Member]	Dec. 31, 2012 RML [Member] item	Dec. 31, 2011 RML [Member]	Dec. 31, 2006 USA 57 [Member]	Sep. 30, 2006 Centerline XXXIII [Member]	Jan. 31, 2003 Centerline XXII [Member]
Prepaid expenses		$ 4,400,000				$ 5,000,000				$ 4,400,000	$ 5,000,000
Prepaid FDIC assessments		3,500,000				4,300,000				3,500,000	4,300,000
Goodwill recorded														1,800,000
CDI recorded														1,300,000
Estimated useful life, years														10 years	10 years
Intangible asset amortization expense										252,000	275,000	299,000
Accumulated amortization for intangible assets		5,900,000				5,700,000				5,900,000	5,700,000
Equity interest percentage																48.00%	24.00%	48.00%	24.00%
Line of credit committed amount																750,000			18,000,000
Line of credit outstanding balance																339,000			11,100,000
Number of lines of credit provided to subsidiary																			2
Loans purchased																			242,500,000	82,900,000
Percentage of personal guarantee against losses by majority owner of subsidiary																50.00%
Equity		136,353,000				125,435,000				136,353,000	125,435,000	117,122,000	111,020,000						24,751,000	21,327,000
Assets						1,085,258,000					1,085,258,000								89,164,000	102,756,000
Net income		3,280,000	4,204,000	3,286,000	2,688,000	3,356,000	2,612,000	3,315,000	2,544,000	13,458,000	11,827,000	9,465,000							11,164,000	5,674,000
Commitments to invest	2,500,000																				3,000,000	3,000,000	3,000,000
Period over which return on investments as a limited partner will be earned, years	16 years																				15 years	18 years	18 years
Amortization expense										921,000	902,000	861,000
Commitments to invest remaining to be funded										$ 2,000,000