Goodwill And Other Acquired Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2012

Schedule Of Carrying Amount Of Goodwill

(Dollars in thousands)	Amount
Balance, December 31, 2010	$	234,228
Goodwill acquired during the year		135,583
Balance, December 31, 2011		369,811
Goodwill acquired during the period		32,420
Goodwill adjustment to correct an immaterial error		(359	)
Balance, December 31, 2012	$	401,872

Schedule Of Definite-Lived Intangible Assets

	2012							2011
(Dollars in thousands)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Core deposit intangibles	$	45,406	$	(26,284	)	$	19,122	$	45,406	$	(21,385	)	$	24,021
Customer relationship intangible asset		1,348		(410	)		938		1,348		(160	)		1,188
Total	$	46,754	$	(26,694	)	$	20,060	$	46,754	$	(21,545	)	$	25,209

Schedule Of Amortization Expense Of Purchase Accounting Intangible Assets

The related amortization expense of purchase accounting intangible assets is as follows:

(Dollars in thousands)	Amount
Aggregate amortization expense for the year ended December 31:
2010	$	4,935
2011		5,121
2012		5,150
Estimated amortization expense for the year ended December 31:
2013	$	4,721
2014		4,346
2015		3,546
2016		3,177
2017		1,694
2018 and thereafter		2,576