NET INCOME PER COMMON SHARE (Tables)

12 Months Ended

Dec. 31, 2017

Earnings Per Share [Abstract]

Calculation of Net Income Per Common Share

(Dollars and amounts in thousands, except per share data)			2017		2016		2015
Net income			$	53,209	$	48,250	$	45,355
Basic:
Basic weighted average EPS shares				24,175		24,120		24,609
		Basic net income per share	$	2.20	$	2.00	$	1.84
Diluted:
Basic weighted average EPS shares				24,175		24,120		24,609
Dilutive common stock equivalents				32		29		89
	Dilutive EPS shares			24,207		24,149		24,698
		Diluted net income per share	$	2.20	$	2.00	$	1.84
Anti-dilutive shares				3		3		7