Junior Subordinated Debentures (Tables)

12 Months Ended

Dec. 31, 2011

Junior Subordinated Debentures [Abstract]

Junior Subordinated Debentures

(dollars in thousands)
Trust Name	Issue Date	Issued Amount		Carrying Value (1)		Rate (2)			Effective Rate (3)			Maturity Date	Redemption Date
AT FAIR VALUE:
Umpqua Statutory Trust II	October 2002	$	20,619	$	14,166		Floating	(4)		5.50	%	October 2032	October 2007
Umpqua Statutory Trust III	October 2002		30,928		21,476		Floating	(5)		5.62	%	November 2032	November 2007
Umpqua Statutory Trust IV	December 2003		10,310		6,641		Floating	(6)		5.05	%	January 2034	January 2009
Umpqua Statutory Trust V	December 2003		10,310		6,625		Floating	(6)		5.31	%	March 2034	March 2009
Umpqua Master Trust I	August 2007		41,238		21,134		Floating	(7)		3.70	%	September 2037	September 2012
Umpqua Master Trust IB	September 2007		20,619		12,863		Floating	(8)		5.28	%	December 2037	December 2012
			134,024		82,905
AT AMORTIZED COST:
HB Capital Trust I	March 2000		5,310		6,329		10.875	%		8.24	%	March 2030	March 2010
Humboldt Bancorp Statutory Trust I	February 2001		5,155		5,897		10.200	%		8.26	%	February 2031	February 2011
Humboldt Bancorp Statutory Trust II	December 2001		10,310		11,378		Floating	(9)		3.29	%	December 2031	December 2006
Humboldt Bancorp Staututory Trust III	September 2003		27,836		30,605		Floating	(10)		2.76	%	September 2033	September 2008
CIB Capital Trust	November 2002		10,310		11,219		Floating	(5)		3.20	%	November 2032	November 2007
Western Sierra Statutory Trust I	July 2001		6,186		6,186		Floating	(11)		4.01	%	July 2031	July 2006
Western Sierra Statutory Trust II	December 2001		10,310		10,310		Floating	(9)		4.15	%	December 2031	December 2006
Western Sierra Statutory Trust III	September 2003		10,310		10,310		Floating	(12)		3.30	%	September 2033	September 2008
Western Sierra Statutory Trust IV	September 2003		10,310		10,310		Floating	(12)		3.30	%	September 2033	September 2008
			96,037		102,544
	Total	$	230,061	$	185,449

(1) Includes purchase accounting adjustments, net of accumulated amortization, for junior subordinated debentures assumed in connection with previous mergers as well as fair value adjustments related to trusts recorded at fair value.

(2) Contractual interest rate of junior subordinated debentures.

(3) Effective interest rate based upon the carrying value as of December 2011.

(4) Rate based on LIBOR plus 3.35%, adjusted quarterly.

(5) Rate based on LIBOR plus 3.45%, adjusted quarterly.

(6) Rate based on LIBOR plus 2.85%, adjusted quarterly.

(7) Rate based on LIBOR plus 1.35%, adjusted quarterly.

(8) Rate based on LIBOR plus 2.75%, adjusted quarterly.

(9) Rate based on LIBOR plus 3.60%, adjusted quarterly.

(10) Rate based on LIBOR plus 2.95%, adjusted quarterly.

(11) Rate based on LIBOR plus 3.58%, adjusted quarterly.

(12) Rate based on LIBOR plus 2.90%, adjusted quarterly.