Income Taxes (Tables)

12 Months Ended

Dec. 31, 2011

Income Taxes [Abstract]

Schedule of Income tax expense

	For the Year Ended December 31,
	2011		2010			2009
	(Dollars in thousands)
Current provision:
Federal	$	9,111	$	30,053		$	30,748
State		3,948		15,626			14,326
		13,059		45,679			45,074
Deferred provision(benefit):
Federal		17,732		(15,412	)		(15,924	)
State		8,280		(6,463	)		(5,320	)
		26,012		(21,875	)		(21,244	)
Total	$	39,071	$	23,804		$	23,830

Schedule of Income tax asset (liability)

	As of December 31,
	2011			2010
	(Dollars in thousands)
Current:
Federal	$	25,999		$	1,897
State		21,234			1,153
		47,233			3,050
Deferred:
Federal		1,661			38,556
State		(861	)		14,003
		800			52,559
Total	$	48,033		$	55,609

Components of the net deferred tax asset (liability)

	As of December 31,
	2011			2010
	(Dollars in thousands )
Federal
Deferred tax assets:
California franchise tax	$	—		$	—
Bad debt and credit loss deduction		39,131			40,519
Net operating loss carryforward		999			1,108
Deferred compensation		2,757			2,921
Other Intangibles		12			5
Covered Loans		8,537			44,399
Capital loss carryforward		—			194
California franchise tax		943			—
Other, net		6,819			5,028
Gross deferred tax asset		59,198			94,174
Deferred tax liabilities:
Depreciation		1,845			2,130
Intangibles—Acquistions		2,485			3,275
FDIC indemnification asset		20,387			35,512
FHLB Stock		7,777			8,081
Deferred income		2,764			2,657
Unrealized gain on investment securities, net		22,279			3,323
California franchise tax		—			640
Gross deferred tax liability		57,537			55,618
Net deferred tax asset—federal	$	1,661		$	38,556
State
Deferred tax assets:
Depreciation	$	191		$	—
Bad debt and credit loss deduction		12,119			12,549
Net operating loss carryforward		652			652
Deferred compensation		871			927
Other Intangibles		4			1
Covered Loans		—			2,972
FDIC indemnification asset		900			61
Capital loss carryforward		320			414
Other, net		1,648			1,557
Gross deferred tax asset		16,705			19,133
Deferred tax liabilities:
Depreciation		—			167
Intangibles—Acquistions		608			1,007
Covered Loans		6,918			—
FHLB Stock		1,994			2,088
Deferred income		296			712
Unrealized gain on investment securities, net		7,750			1,156
Gross deferred tax liability		17,566			5,130
Net deferred tax (liability)/asset—state	$	(861	)	$	14,003

Reconciliation of the statutory income tax rate to the consolidated effective income tax rate

	For the Year Ended December 31,
	2011						2010						2009
	Amount			Percent			Amount			Percent			Amount			Percent
	(Dollars in thousands)
Federal income tax at statutory rate	$	42,281			35.0	%	$	30,359			35.0	%	$	31,237			35.0	%
State franchise taxes, net of federal benefit		8,512			7.0	%		6,112			7.0	%		6,289			7.0	%
Tax-exempt income		(11,234	)		(9.3	%)		(11,874	)		(13.7	%)		(12,525	)		(14.0	%)
Tax credits		(1,487	)		(1.2	%)		(1,427	)		(1.6	%)		(1,577	)		(1.8	%)
Other, net		999			0.8	%		634			0.7	%		406			0.5	%
	$	39,071			32.3	%	$	23,804			27.4	%	$	23,830			26.7	%

Change in unrecognized tax benefits

	For the Year Ended December 31,
	2011		2010
	( Dollars in thousands )
Balance, beginning of period	$	1,279	$	1,417
Additions for tax positions related to prior years		—		390
Reductions due to lapse of statue of limitations		—		(528	)
Balance, end of period	$	1,279	$	1,279