UNAUDITED QUARTERLY FINANCIAL INFORMATION (Tables)

12 Months Ended

Dec. 31, 2017

Quarterly Financial Information Disclosure [Abstract]

Schedule of unaudited quarterly financial information

	First Quarter			Second Quarter			Third Quarter			Fourth Quarter			Full Year
	(Dollars in thousands, except per share data)
2016
Total interest income	$	41,249		$	41,870		$	41,765		$	42,255		$	167,139
Total interest expense	2,038			2,261			2,339			2,551			9,189
Net interest income	39,211			39,609			39,426			39,704			157,950
Provision (credit) for loan and lease losses	(747		)	(1,382		)	(743		)	(2,645		)	(5,517		)
Net interest income after provision (credit) for loan and lease losses	39,958			40,991			40,169			42,349			163,467
Investment securities gains (losses)	—			—			—			—			—
Income before income taxes	17,248			18,468			17,858			18,646			72,220
Net income	11,181			12,137			11,466			12,208			46,992
Basic earnings per share	$	0.36		$	0.39		$	0.37		$	0.40		$	1.52
Diluted earnings per share	0.35			0.39			0.37			0.39			1.50

	First Quarter			Second Quarter			Third Quarter			Fourth Quarter			Full Year
	(Dollars in thousands, except per share data)
2017
Total interest income	$	44,213		$	45,080		$	45,993		$	47,276		$	182,562
Total interest expense	2,958			3,451			3,998			4,452			14,859
Net interest income	41,255			41,629			41,995			42,824			167,703
Provision (credit) for loan and lease losses	(80		)	(2,282		)	(126		)	(186		)	(2,674		)
Net interest income after provision (credit) for loan and lease losses	41,335			43,911			42,121			43,010			170,377
Income before income taxes	19,889			19,446			18,179			17,542			75,056
Net income	13,079			12,025			11,812			4,288			41,204
Basic earnings per share	$	0.43		$	0.39		$	0.39		$	0.14		$	1.36
Diluted earnings per share	0.42			0.39			0.39			0.14			1.34