GOODWILL AND IDENTIFIABLE INTANGIBLE ASSETS (Tables)

12 Months Ended

Dec. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets and Goodwill

The following table sets forth the carrying value of goodwill and other intangible assets, net of accumulated amortization, at December 31:

	2016		2015
	(Dollars in thousands)
Balances not subject to amortization
Goodwill	$	221,526	$	201,083
Balances subject to amortization
Core deposit intangibles	8,527		10,264
Other intangible assets	1,321		1,562
Total other intangible assets	9,848		11,826
Total goodwill and other intangible assets	$	231,374	$	212,909

Schedule of Goodwill

The changes in the carrying value of goodwill for the periods indicated were as follows:

	2016		2015
	(Dollars in thousands)
Balance at beginning of year	$	201,083	$	170,421
Acquisitions	20,443		30,662
Balance at end of year	$	221,526	$	201,083

Schedule of Other Intangible Assets

The gross carrying amount and accumulated amortization of other intangible assets were as follows at the periods indicated:

	December 31
	2016							2015
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
	(Dollars in thousands)
Core deposit intangibles	$	23,917	$	(15,390	)	$	8,527	$	23,367	$	(13,103	)	$	10,264
Other intangible assets	3,020		(1,699		)	1,321		3,051		(1,489		)	1,562
Total	$	26,937	$	(17,089	)	$	9,848	$	26,418	$	(14,592	)	$	11,826

Schedule of Intangible Assets Estimated Annual Amortization Expense

The following table sets forth the estimated annual amortization expense of intangible assets for each of the next five years:

Year	Amount
	(Dollars in thousands)
2017	$	3,002
2018	$	1,888
2019	$	1,232
2020	$	1,035
2021	$	939