Covered Assets And Indemnification Asset (Changes In Accretable Yield In Acquired Loans) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Balance, beginning of period	$ 336,899
Additions resulting from acquisitions		425,056
Accretion to interest income	(84,202)	(73,017)
Disposals	(35,063)	(21,778)
Reclassifications (to)/from nonaccretable difference	20,199	6,638
Balance, end of period	237,833	336,899
Evergreen Bank [Member]
Balance, beginning of period	90,770
Additions resulting from acquisitions		121,592
Accretion to interest income	(26,240)	(29,060)
Disposals	(10,575)	(6,572)
Reclassifications (to)/from nonaccretable difference	2,524	4,810
Balance, end of period	56,479	90,770
Rainier Pacific Bank [Member]
Balance, beginning of period	172,614
Additions resulting from acquisitions		237,858
Accretion to interest income	(35,382)	(32,979)
Disposals	(19,893)	(12,830)
Reclassifications (to)/from nonaccretable difference	2,994	(19,435)
Balance, end of period	120,333	172,614
Nevada Security Bank [Member]
Balance, beginning of period	73,515
Additions resulting from acquisitions		65,606
Accretion to interest income	(22,580)	(10,978)
Disposals	(4,595)	(2,376)
Reclassifications (to)/from nonaccretable difference	14,681	21,263
Balance, end of period	$ 61,021	$ 73,515