DERIVATIVE INSTRUMENTS (Balance Sheets) (Details)	12 Months Ended
	Dec. 31, 2019 USD ($) instrument	Dec. 31, 2018 USD ($) instrument	Dec. 31, 2017 USD ($)	Dec. 31, 2019 ILS (₪) instrument	Mar. 07, 2019 USD ($)
Interest rate cap
Derivative [Line Items]
Notional Amount					$ 348,500,000
Unrealized loss on derivatives	$ 100,000	$ 100,000	$ 100,000
Foreign currency collar
Derivative [Line Items]
Gain (loss) recognized on derivatives	4,200,000	(18,800,000)	(11,300,000)
Foreign currency transaction gain (loss), net	$ (16,700,000)	$ 8,700,000	$ 26,600,000
Not Designated as Hedging Instrument | Interest rate cap
Derivative [Line Items]
Number of Instruments | instrument	3			3
Notional Amount	$ 46,875,000
Not Designated as Hedging Instrument | Interest rate cap | Prepaid expenses and other assets
Derivative [Line Items]
Number of Instruments | instrument	3	2		3
Derivative Asset	$ 12,000	$ 34,000
Not Designated as Hedging Instrument | Interest rate cap 1
Derivative [Line Items]
Notional Amount	77,513,000
Not Designated as Hedging Instrument | Interest rate cap 2
Derivative [Line Items]
Notional Amount	$ 51,252,000
Not Designated as Hedging Instrument | Foreign currency collar
Derivative [Line Items]
Number of Instruments | instrument	1	0		1
Notional Amount		$ 0		₪ 776,182,000
Not Designated as Hedging Instrument | Foreign currency collar | Other liabilities
Derivative [Line Items]
Number of Instruments | instrument	1	1		1
Derivative Liability	$ (179,000)	$ (4,393,000)