Intangible Assets and Goodwill (Tables)

12 Months Ended

Dec. 31, 2016

Goodwill And Intangible Assets Disclosure [Abstract]

Summary of Intangible Assets

The following is a summary of intangible assets:

	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
	(Dollars in thousands)
As of December 31, 2016
Core deposit intangibles	$	17,447	$	(6,611	)	$	10,836
Customer relationship intangibles		5,699		(3,419	)		2,280
Mortgage servicing intangibles		473		(259	)		214
Total	$	23,619	$	(10,289	)	$	13,330
As of December 31, 2015
Core deposit intangibles	$	20,333	$	(7,586	)	$	12,747
Customer relationship intangibles		5,699		(3,061	)		2,638
Mortgage servicing intangibles		538		(228	)		310
Total	$	26,570	$	(10,875	)	$	15,695

Estimated Amortization of Intangible Assets

Estimated amortization of intangible assets for the next five years, as of December 31, 2016, is as follows (dollars in thousands):

Estimated Amortization
2017	$	2,213
2018		2,213
2019		2,213
2020		2,101
2021		1,270

Summary of Goodwill by Business Segment

The following is a summary of goodwill by business segment:

						Other		Executive,
	Metropolitan		Community			Financial		Operations
	Banks		Banks			Services		& Support		Consolidated
	(Dollars in thousands)
Year Ended December 31, 2016
Balance at beginning  and end of period	$	8,078	$	40,050		$	5,464	$	450	$	54,042
Year Ended December 31, 2015
Balance at beginning of period	$	8,078	$	30,970		$	5,464	$	450	$	44,962
Acquisitions		—		9,448			—		—		9,448
Impairment		—		(368	)		—		—		(368	)
Balance at end of period	$	8,078	$	40,050		$	5,464	$	450	$	54,042