Income Taxes (Tables)

12 Months Ended

Dec. 31, 2011

Income Taxes [Abstract]

Schedule Of Provision For Income Tax Expense

(dollars in thousands)	2011			2010			2009
Current expense	$	33,116		$	28,562		$	12,330
Deferred expense (benefit)		(11,750	)		(3,607	)		82,297
Tax credits		(6,734	)		(6,214	)		(5,489	)
Tax benefits attributable to items charged to equity and goodwill		2,349			1,250			1,200
Total income tax expense	$	16,981		$	19,991		$	90,338

Reconciliation Of Effective Tax Rate

(dollars in thousands)	2011			2010			2009
Federal tax based on statutory rate	$	24,682		$	24,086		$	87,042
Increase (decrease) resulting from:
Effect of tax-exempt income		(6,633	)		(5,935	)		(5,175	)
Interest and other nondeductible expenses		1,487			1,295			1,009
State taxes		3,034			3,615			9,261
Tax credits		(6,734	)		(6,214	)		(5,489	)
Goodwill impairment		—			—			2,808
Other		1,145			3,144			882
Total income tax expense	$	16,981		$	19,991		$	90,338
Effective rate		24.1	%		29.1	%		36.3	%

Deferred Tax Assets And Liabilities

(dollars in thousands)	2011			2010
Deferred tax asset:
Allowance for loan losses	$	56,684		$	23,270
Discount on purchased loans		153			162
Deferred compensation		1,727			1,644
Investments acquired		395			407
Unrealized loss on cash flow hedges		1,029			—
Other		25,381			6,103
Subtotal		85,369			31,586
Deferred tax liability:
Basis difference in acquired assets		(63,140	)		(80,986	)
FHLB stock		(111	)		(497	)
Premises and equipment		(15,580	)		(9,402	)
Acquisition intangibles		(7,310	)		(9,525	)
Deferred loan costs		(1,732	)		(1,559	)
Unrealized gain on investments classified as available for sale		(14,197	)		(2,856	)
Unrealized gain on cash flow hedges		—			(5,045	)
Swap gain		—			(1	)
Other		(11,584	)		(6,772	)
Subtotal		(113,654	)		(116,643	)
Deferred tax liability, net	$	(28,285	)	$	(85,057	)