Goodwill and Other Acquired Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2013

Schedule of Definite-Lived Intangible Assets

Definite-lived intangible assets had the following carrying values at March 31, 2013 and December 31, 2012:

	March 31, 2013							December 31, 2012
(Dollars in thousands)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Core deposit intangibles	$	45,406	$	(27,409	)	$	17,997	$	45,406	$	(26,284	)	$	19,122
Customer relationship intangible asset		1,348		(468	)		880		1,348		(410	)		938
Total	$	46,754	$	(27,877	)	$	18,877	$	46,754	$	(26,694	)	$	20,060

Schedule of Carrying Amount of Goodwill

Changes to the carrying amount of goodwill for the year ended December 31, 2012 and the three months ended March 31, 2013 are provided in the following table.

(Dollars in thousands)	Amount
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
Goodwill acquired during the period		—
Balance, March 31, 2013	$	401,872

Mortgage servicing rights [Member]

Schedule of Definite-Lived Intangible Assets

Mortgage servicing rights had the following carrying values at March 31, 2013 and December 31, 2012:

	March 31, 2013							December 31, 2012
(Dollars in thousands)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Mortgage servicing rights	$	1,426	$	(375	)	$	1,051	$	1,234	$	(304	)	$	930