Income Taxes (Tables)

12 Months Ended

Dec. 31, 2011

Income Taxes [Abstract]

Components of income tax expense

	Years Ended December 31,
	2011			2010			2009
Current federal	$	7,400		$	20,707		$	15,816
Current state		1,961			600			(241	)
Total current provision		9,361			21,307			15,575
Deferred federal		9,735			(10,676	)		6,753
Deferred state		(1,032	)		(926	)		591
Total deferred provision		8,703			(11,602	)		7,344
Total tax expense	$	18,064		$	9,705		$	22,919

Components of the company's deferred tax assets and liabilities

	December 31,
	2011			2010
Deferred tax assets:
Allowance for loan losses	$	85,289		$	30,356
Employee compensation and benefits		40,013			27,086
Loan purchase accounting adjustments		241,412			126,536
Demand deposits		2,308			1,218
Capital loss		—			153
Tax credit carryforward		25,465			663
Federal net operating loss		24,524			104
State net operating loss		2,958			1,274
Other		23,128			1,637
Gross deferred tax assets		445,097			189,027
Federal valuation allowance		—			(84	)
State valuation allowance		(2,415	)		(1,274	)
Subtotal valuation allowance		(2,415	)		(1,358	)
Net deferred tax assets		442,682			187,669
Deferred tax liabilities:
Fixed assets & intangibles		(135,987	)		(31,159	)
FHLB Stock Dividend		(1,119	)		(3,520	)
Securities		(55,642	)		(15,932	)
Deferred gain on acquisition		(13,232	)		(17,907	)
FDIC Indemnification Asset		(83,348	)		(104,785	)
Other		(7,594	)		(7,825	)
Gross deferred tax liabilities		(296,922	)		(181,128	)
Net deferred tax asset (liability)	$	145,760		$	6,541

Schedule of effective income tax rate reconciliation

		$33,188			$33,188			$33,188			$33,188			$33,188			$33,188
	Years Ended December 31,
	2011						2010						2009
	Amount			%			Amount			%			Amount			%
Taxes computed at statutory rate	$	33,188			35	%	$	21,669			35	%	$	34,195			35	%
Increases (decreases) in taxes resulting from:
State income taxes, net of federal income tax benefit		689			1	%		(410	)		-1	%		706			1	%
Tax-exempt interest		(6,892	)		-8	%		(6,747	)		-11	%		(6,703	)		-7	%
Bank owned life insurance		(3,352	)		-4	%		(1,918	)		-3	%		(2,097	)		-2	%
Tax credits		(8,384	)		-9	%		(3,702	)		-6	%		(3,923	)		-4	%
Merger transaction costs		2,178			3	%		—			0	%		—			0	%
Other, net		637			1	%		813			1	%		741			1	%
Income tax expense	$	18,064			19	%	$	9,705			15	%	$	22,919			24	%