CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 1,949	$ 1,314
OTHER COMPREHENSIVE (LOSS) INCOME, NET OF TAX:
Unrealized (loss) gain on available-for-sale securities, net of tax of $82 and $8, respectively	(151)	14
Employee benefit plan:
Plan adjustment costs, net of tax of $469 and none, respectively	(834)	0
Amortization of prior service cost and actuarial loss for retirement plan included in net periodic pension costs, net of tax of $159 and $87, respectively	282	156
Net change for employee benefit plan	(552)	156
TOTAL OTHER COMPREHENSIVE (LOSS) INCOME	(703)	170
COMPREHENSIVE INCOME	1,246	1,484
Unrealized gain (loss) on available-for-sale securities, tax	82	8
Amortization of prior service cost and actuarial loss for retirement plan included in net periodic pension costs, tax	159	87
Plan adjustment costs, tax	$ 469	$ 0