Business Segments (Tables)

12 Months Ended

Dec. 31, 2016

Segment Reporting [Abstract]

Financial Information by Business Segment

Condensed financial information by business segment is presented below:

(in thousands)	Community Banking		Trust and Investment Services		Consolidated
For the year ended December 31, 2016:
Interest and dividend income	$	286,097	$	—	$	286,097
Interest expense		32,767		—		32,767
Net interest income		253,330		—		253,330
Provision for credit losses		8,478		—		8,478
Net interest income after provision for credit losses		244,852		—		244,852
Non-interest income		59,869		21,630		81,499
Non-interest expense		196,784		11,896		208,680
Income before provision for income taxes		107,937		9,734		117,671
Provision for income taxes		27,142		3,894		31,036
Net income	$	80,795	$	5,840	$	86,635
For the year ended December 31, 2015:
Interest and dividend income	$	261,712	$	—	$	261,712
Interest expense		24,725		—		24,725
Net interest income		236,987		—		236,987
Provision for credit losses		8,353		—		8,353
Net interest income after provision for credit losses		228,634		—		228,634
Non-interest income		52,566		21,900		74,466
Non-interest expense		181,821		12,102		193,923
Income before provision for income taxes		99,379		9,798		109,177
Provision for income taxes		24,496		3,919		28,415
Net income	$	74,883	$	5,879	$	80,762
For the year ended December 31, 2014:
Interest and dividend income	$	215,991	$	—	$	215,991
Interest expense		22,763		—		22,763
Net interest income		193,228		—		193,228
Provision for credit losses		6,405		—		6,405
Net interest income after provision for credit losses		186,823		—		186,823
Non-interest income		47,435		21,069		68,504
Non-interest expense		149,429		12,204		161,633
Income before provision for income taxes		84,829		8,865		93,694
Provision for income taxes		20,174		3,546		23,720
Net income	$	64,655	$	5,319	$	69,974