Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill Assets by Business Segment

A summary of the Company’s goodwill assets by business segment is presented in the following table:

(Dollars in thousands)	January 1, 2017		Goodwill Acquired		Impairment Loss		Goodwill Adjustments			June 30, 2017
Community banking	$	427,781	$	999	$	—	$	(152	)	$	428,628
Specialty finance	38,692		—		—		826			39,518
Wealth management	32,114		—		—		—			32,114
Total	$	498,587	$	999	$	—	$	674		$	500,260

Summary of Finite-Lived Intangible Assets

A summary of finite-lived intangible assets as of the dates shown and the expected amortization as of June 30, 2017 is as follows:

(Dollars in thousands)	June 30, 2017			December 31, 2016			June 30, 2016
Community banking segment:
Core deposit intangibles:
Gross carrying amount	$	37,272		$	37,272		$	34,998
Accumulated amortization	(23,632		)	(21,614		)	(19,654		)
Net carrying amount	$	13,640		$	15,658		$	15,344
Specialty finance segment:
Customer list intangibles:
Gross carrying amount	$	1,800		$	1,800		$	1,800
Accumulated amortization	(1,221		)	(1,159		)	(1,100		)
Net carrying amount	$	579		$	641		$	700
Wealth management segment:
Customer list and other intangibles:
Gross carrying amount	$	7,940		$	7,940		$	7,940
Accumulated amortization	(2,613		)	(2,388		)	(2,163		)
Net carrying amount	$	5,327		$	5,552		$	5,777
Total other intangible assets, net	$	19,546		$	21,851		$	21,821

Estimated Amortization

Estimated amortization
Actual in six months ended June 30, 2017	$	2,305
Estimated remaining in 2017	2,086
Estimated—2018	3,778
Estimated—2019	3,206
Estimated—2020	2,580
Estimated—2021	2,039