Covered Assets And Indemnification Asset (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012 Evergreen Bank [Member]	Dec. 31, 2011 Evergreen Bank [Member]	Jun. 30, 2012 Rainier Pacific Bank [Member]	Dec. 31, 2011 Rainier Pacific Bank [Member]	Jun. 30, 2012 Nevada Security Bank [Member]	Dec. 31, 2011 Nevada Security Bank [Member]
Business Acquisition [Line Items]
Outstanding unpaid principal of covered loans					$ 173.1	$ 209.5	$ 353.3	$ 379.0	$ 239.9	$ 260.2
Recaptured provision on covered loans	$ 2.3	$ 1.0	$ 3.5	$ 1.1
Range of risk rating for loans and leases, minimum				1
Range of risk rating for loans and leases, maximum				10