CASH, CASH EQUIVALENTS, AND INVESTMENTS (Tables)

3 Months Ended

Jun. 30, 2019

CASH, CASH EQUIVALENTS AND INVESTMENTS [Abstract]

Cash, Cash Equivalents, and Investments

The following tables summarize the Company’s cash and available-for-sale securities’ amortized cost, gross unrealized gains, gross unrealized losses, and fair value by significant investment category recorded as cash and cash equivalents, short-term, or long-term investments as of June 30, 2019 and March 31, 2019 (in thousands):

June 30, 2019	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value		Cash & Cash Equivalents		Short-term investments  (due in 1 year or less)
Cash	$	191,904	$	—	$	—		$	191,904	$	191,904	$	—
Level 1:
Mutual Funds	13,950		337		(118		)	14,169		—		14,169
Total cash, cash equivalents and investments measured at fair value	$	205,854	$	337	$	(118	)	$	206,073	$	191,904	$	14,169

March 31, 2019	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value		Cash & Cash Equivalents		Short-term investments (due in 1 year or less)
Cash	$	202,509	$	—	$	—		$	202,509	$	202,509	$	—
Level 1:
Mutual Funds	13,420		197		(285		)	13,332		—		13,332
Total cash, cash equivalents and investments measured at fair value	$	215,929	$	197	$	(285	)	$	215,841	$	202,509	$	13,332