CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Treasury Stock	Accumulated Other Comprehensive Income
Balance at Dec. 31, 2010	$ 478,797	$ 369	$ 1,085,364	$ (607,042)	$ (3,863)	$ 3,969
Balance (in shares) at Dec. 31, 2010		36,672,429
Increase (Decrease) in Stockholders' Equity
Net earnings	50,704			50,704
Other comprehensive income (loss) - net unrealized gain on securities available-for-sale, net of tax	18,834					18,834
Tax effect from vesting of restricted stock	(937)		(937)
Restricted stock awarded and earned stock compensation, net of shares forfeited	7,896	6	7,890
Restricted stock awarded and earned stock compensation, net of shares forfeited (in shares)		662,062
Restricted stock surrendered	(1,465)				(1,465)
Restricted stock surrendered (in shares)		(80,173)
Cash dividends paid ($1.00, $0.79 and $0.21 per share for the years ended 2013, 2012 and 2011, respectively)	(7,626)		(7,626)
Balance at Dec. 31, 2011	546,203	375	1,084,691	(556,338)	(5,328)	22,803
Balance (in shares) at Dec. 31, 2011		37,254,318
Increase (Decrease) in Stockholders' Equity
Net earnings	56,801			56,801
Other comprehensive income (loss) - net unrealized gain on securities available-for-sale, net of tax	10,097					10,097
Tax effect from vesting of restricted stock	283		283
Restricted stock awarded and earned stock compensation, net of shares forfeited	5,999	2	5,997
Restricted stock awarded and earned stock compensation, net of shares forfeited (in shares)		230,272
Restricted stock surrendered	(1,475)				(1,475)
Restricted stock surrendered (in shares)		(63,681)
Cash dividends paid ($1.00, $0.79 and $0.21 per share for the years ended 2013, 2012 and 2011, respectively)	(28,787)		(28,787)
Balance at Dec. 31, 2012	589,121	377	1,062,184	(499,537)	(6,803)	32,900
Balance (in shares) at Dec. 31, 2012		37,420,909
Increase (Decrease) in Stockholders' Equity
Net earnings	45,115			45,115
Other comprehensive income (loss) - net unrealized gain on securities available-for-sale, net of tax	(36,247)					(36,247)
Issuance of common stock for acquisition of First California Financial Group, Inc.	242,268	84	242,184
Issuance of common stock for acquisition of First California Financial Group, Inc. (in shares)		8,403,119
Tax effect from vesting of restricted stock	2,133		2,133
Restricted stock awarded and earned stock compensation, net of shares forfeited	21,246	4	21,242
Restricted stock awarded and earned stock compensation, net of shares forfeited (in shares)		350,446
Restricted stock surrendered	(13,537)				(13,537)
Restricted stock surrendered (in shares)		(351,640)
Cash dividends paid ($1.00, $0.79 and $0.21 per share for the years ended 2013, 2012 and 2011, respectively)	(41,006)		(41,006)
Balance at Dec. 31, 2013	$ 809,093	$ 465	$ 1,286,737	$ (454,422)	$ (20,340)	$ (3,347)
Balance (in shares) at Dec. 31, 2013		45,822,834