Covered Assets And Indemnification Asset (Narrative) (Details) (USD $)	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2012 Evergreen Bank [Member]	Dec. 31, 2011 Evergreen Bank [Member]	Mar. 31, 2012 Rainier Pacific Bank [Member]	Dec. 31, 2011 Rainier Pacific Bank [Member]	Mar. 31, 2012 Nevada Security Bank [Member]	Dec. 31, 2011 Nevada Security Bank [Member]
Business Acquisition [Line Items]
Outstanding unpaid principal of covered loans			$ 194,300,000	$ 209,500,000	$ 365,300,000	$ 379,000,000	$ 250,200,000	$ 260,200,000
Recaptured provision on covered loans	$ 1,900,000	$ 148,000
Range of risk rating for loans and leases, minimum	1
Range of risk rating for loans and leases, maximum	10