GOODWILL AND INTANGIBLE ASSETS: (Tables)

12 Months Ended

Dec. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets Subject to Amortization

Intangible assets subject to amortization at December 31, 2016 and 2015 are as follows:  

	2016				2015
	Gross		Accumulated		Gross		Accumulated
(Dollar amounts in thousands)	Amount		Amortization		Amount		Amortization
Customer list intangible	$	—	$	—	$	4,771	$	4,309
Core deposit intangible	10,836		8,727		10,836		8,120
	$	10,836	$	8,727	$	15,607	$	12,429

Estimated Amortization Expense

Estimated amortization expense for the next five years is as follows:

	In thousands
2017	$	479
2018	434
2019	350
2020	252
2021	232