Business Combinations (Statement Of Assets Acquired And Liabilities Assumed At Estimated Fair Values) (Details) (USD $)	12 Months Ended				0 Months Ended		0 Months Ended		0 Months Ended
	Dec. 31, 2010	Dec. 31, 2012	Dec. 31, 2011	Nov. 14, 2012 Circle Bancorp [Member]	Jan. 22, 2010 Evergreen Bank [Member]	Dec. 31, 2012 Evergreen Bank [Member]	Feb. 26, 2010 Rainier Pacific Bank [Member]	Dec. 31, 2012 Rainier Pacific Bank [Member]	Jun. 18, 2010 Nevada Security Bank [Member]	Dec. 31, 2012 Nevada Security Bank [Member]
Business Acquisition [Line Items]
Cash and equivalents				$ 39,328,000	$ 18,919,000		$ 94,067,000		$ 66,060,000
Investment securities				793,000	3,850,000		26,478,000		22,626,000
Loans, net					252,493,000		458,340,000		215,507,000
Non-covered loans, net				246,665,000
Premises and equipment				7,713,000		344,000	17,000	26,300,000	50,000	2,000,000
Federal Home Loan Bank stock		33,443,000	32,581,000	2,491,000	3,073,000		13,712,000		2,951,000
Goodwill				12,545,000			35,808,000		10,393,000
Other intangible assets				830,000	440,000		6,253,000		322,000
Mortgage servicing rights							62,000
Other real estate owned				1,602,000	2,421,000		6,580,000		17,938,000
FDIC indemnification asset					71,755,000		76,603,000		99,160,000
Other assets				5,784,000	328,000		3,254,000		2,588,000
Total assets acquired				317,751,000	353,279,000		721,174,000		437,595,000
Deposits				250,408,000	285,775,000		425,771,000		437,299,000
Junior subordinated debentures				8,764,000
Term debt				55,404,000	60,813,000		293,191,000
Other liabilities				3,175,000	254,000		2,212,000		296,000
Total liabilities assumed				317,751,000	346,842,000		721,174,000		437,595,000
Bargain purchase gain (goodwill)	$ 6,437,000				$ 6,437,000		$ (35,808,000)		$ (10,393,000)