Segment Information (Tables)

9 Months Ended

Sep. 30, 2015

Segment Reporting [Abstract]

Schedule of Financial Information Concerning Segments

Selected business segment financial information is shown in the following table for the three and nine months ended September 30:

(dollars in thousands)	Banking		Insurance		Other			Total
Three months ended September 30, 2015
Net interest income	$	99,225	$	2	$	(2,123	)	$	97,104
Noninterest income		49,591		9,946		207			59,744
Noncash items:
Depreciation and software amortization		3,633		37		159			3,829
Provision for loan losses		167		—		—			167
Amortization of intangibles		2,401		471		—			2,872
Income tax expense (benefit)		19,990		143		(3,738	)		16,395
Segment profit		39,522		252		(2,105	)		37,669
Segment assets		11,766,994		60,776		87,393			11,915,163
Three months ended September 30, 2014
Net interest income	$	109,620	$	2	$	(1,255	)	$	108,367
Noninterest income		24,265		9,721		432			34,418
Noncash items:
Depreciation and software amortization		3,561		34		138			3,733
Provision for loan losses		2,591		—		—			2,591
Amortization of intangibles		2,102		417		—			2,519
Income tax expense (benefit)		15,925		216		(5,046	)		11,095
Segment profit		27,326		261		1,547			29,134
Segment assets		11,035,009		62,956		81,787			11,179,752
Nine months ended September 30, 2015
Net interest income	$	286,517	$	7	$	(6,330	)	$	280,194
Noninterest income		136,730		32,130		1,158			170,018
Noncash items:
Depreciation and software amortization		12,415		105		475			12,995
Provision for loan losses		2,439		—		—			2,439
Amortization of intangibles		7,497		1,433		—			8,930
Income tax expense (benefit)		39,693		971		(6,085	)		34,579
Segment profit		93,154		1,534		(9,957	)		84,731
Segment assets		11,766,994		60,776		87,393			11,915,163
Nine months ended September 30, 2014
Net interest income	$	277,910	$	8	$	(1,591	)	$	276,327
Noninterest income		81,953		31,485		1,196			114,634
Noncash items:
Depreciation and software amortization		10,148		104		394			10,646
Provision for loan losses		2,228		—		—			2,228
Amortization of intangibles		5,122		1,237		—			6,359
Income tax expense (benefit)		34,111		1,184		(7,300	)		27,995
Segment profit		73,149		2,374		(1,106	)		74,417
Segment assets		11,035,009		62,956		81,787			11,179,752