Covered Assets And Indemnification Asset (Changes In Accretable Yield In Acquired Loans) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Business Acquisition [Line Items]
Balance, beginning of period	$ 237,833	$ 336,901
Accretion to interest income	(16,857)	(21,148)
Disposals	(5,364)	(10,840)
Reclassifications (to)/from nonaccretable difference	10,504	(5,246)
Balance, end of period	226,116	299,667
Evergreen Bank [Member]
Business Acquisition [Line Items]
Balance, beginning of period	56,479	90,771
Accretion to interest income	(4,235)	(7,576)
Disposals	(1,097)	(2,792)
Reclassifications (to)/from nonaccretable difference	2,323	(5,322)
Balance, end of period	53,470	75,081
Rainier Pacific Bank [Member]
Business Acquisition [Line Items]
Balance, beginning of period	120,334	172,615
Accretion to interest income	(7,709)	(8,496)
Disposals	(3,997)	(6,644)
Reclassifications (to)/from nonaccretable difference	4,217	(2,190)
Balance, end of period	112,845	155,285
Nevada Security Bank [Member]
Business Acquisition [Line Items]
Balance, beginning of period	61,021	73,515
Accretion to interest income	(4,914)	(5,076)
Disposals	(270)	(1,404)
Reclassifications (to)/from nonaccretable difference	3,964	2,266
Balance, end of period	$ 59,801	$ 69,301