Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

The following table presents goodwill as of the dates presented:

	December 31,
(dollars in thousands)	2015		2014
Balance at beginning of year	$	175,820	$	175,820
Additions	115,944		—
Balance at End of Year	$	291,764	$	175,820

Summary of Intangible Assets

The following table shows a summary of intangible assets as of the dates presented:

	December 31,
(dollars in thousands)	2015			2014
Gross carrying amount at beginning of year	$	16,401		$	16,401
Additions	5,713			—
Accumulated amortization	(15,589		)	(13,770		)
Balance at End of Year	$	6,525		$	2,631

Summary of Expected Amortization Expense for Finite-Lived Intangibles Assets

The following is a summary of the expected amortization expense for finite-lived intangibles assets, assuming no new additions, for each of the five years following December 31, 2015:

(dollars in thousands)	Amount
2016	$	1,433
2017	1,149
2018	668
2019	561
2020	475
Total	$	4,286