MARKETABLE SECURITIES (Tables)

6 Months Ended

Jun. 30, 2016

Schedule of Available for Sale Securities Reconciliation

	June 30, 2016
(in thousands)	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
Municipal bonds	$	34,920	$	142	$	(1	)	$	35,061
Corporate bonds		36,514		82		(1	)		36,595
Certificates of deposit		1,651		1		—			1,652
	$	73,085	$	225	$	(2	)	$	73,308
	December 31, 2015
(in thousands)	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
Municipal bonds	$	57,394	$	7	$	(66	)	$	57,335
Corporate bonds		66,960		2		(147	)		66,815
Certificates of deposit		1,903		—		(1	)		1,902
	$	126,257	$	9	$	(214	)	$	126,052