Income Taxes (Tables)

12 Months Ended

Dec. 31, 2011

Income Taxes [Abstract]

Income Tax Expense (Benefit)

	Years Ended December 31,
(Dollars in thousands)	2011			2010			2009
Current income taxes:
Federal	$	40,312		$	46,169		$	(7,361	)
State		10,785			7,281			517
Total current income taxes	$	51,097		$	53,450		$	(6,844	)
Deferred income taxes:
Federal		(555	)		(14,233	)		44,800
State		(84	)		(1,739	)		6,479
Total deferred income taxes		(639	)		(15,972	)		51,279
Total income tax expense	$	50,458		$	37,478		$	44,435

Reconciliation Of The Differences Between Taxes Computed Using The Statutory Federal Income Tax Rate And Actual Income Tax Expense

	Years Ended December 31,
(Dollars in thousands)	2011		2010			2009
Income tax expense based upon the Federal statutory rate on income before income taxes	$	44,812	$	35,282		$	41,126
Increase (decrease) in tax resulting from:
Tax-exempt interest, net of interest expense disallowance		(1,139)		(963	)		(988	)
State taxes, net of federal tax benefit		6,955		3,602			4,547
Income earned on bank owned life insurance		(854)		(795	)		(677	)
Non-deductible compensation costs		644		707			1,136
Meals, entertainment and related expenses		802		669			527
Tax credits		(562)		(704	)		(885	)
Other, net		(200)		(320	)		(351	)
Income tax expense	$	50,458	$	37,478		$	44,435

Deferred Tax Assets And Liabilities

	Years Ended December 31,
(Dollars in thousands)	2011		2010
Deferred tax assets:
Allowance for credit losses	$	44,538	$	45,467
Net unrealized losses on derivatives included in other comprehensive income		4,623		5,021
Deferred compensation		10,855		5,881
Stock-based compensation		10,757		9,332
Nonaccrued interest		2,414		2,016
Other real estate owned		9,724		3,628
Mortgage banking recourse obligation		992		3,433
Goodwill and intangible assets		264		—
Other		3,696		1,298
Total gross deferred tax assets		87,863		76,076
Deferred tax liabilities:
Discount on purchased loans		37,657		35,341
Premises and equipment		20,591		17,668
Goodwill and intangible assets		—		7,649
Deferred loan fees and costs		5,809		5,054
FHLB stock dividends		3,322		2,810
Capitalized servicing rights		2,650		3,375
Net unrealized gains on securities included in other comprehensive income		2,807		1,691
Deferred gain on termination of derivatives		68		145
Debt finance/prepayment charges		1,450		2,659
Covered assets		30,058		16,933
Other		829		490
Total gross deferred liabilities		105,241		93,815
Net deferred tax liabilities	$	17,378	$	17,739