MARKETABLE SECURITIES (Tables)

3 Months Ended

Mar. 31, 2016

Schedule of Available for Sale Securities Reconciliation

	March 31, 2016
(in thousands)	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
Municipal bonds	$	50,156	$	103	$	(10	)	$	50,249
Corporate bonds		49,513		84		(15	)		49,582
Certificates of deposit		1,901		1		—			1,902
	$	101,570	$	188	$	(25	)	$	101,733
	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