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DERIVATIVES - Additional Information (Details)	3 Months Ended			6 Months Ended
	Jun. 30, 2020 USD ($)	Mar. 31, 2020 USD ($) N	Jun. 30, 2019 USD ($) N	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)
Derivative [Line Items]
Net interest expense	$ (31,971,000)		$ (29,268,000)	$ (63,718,000)	$ (59,275,000)
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Notional amount	270,000,000.0			270,000,000.0		$ 245,000,000.0
Net interest expense	1,100,000		290,000	1,300,000	625,000
Unrealized after-tax gain of accumulated other comprehensive income (loss)		$ 26,000	189,000
Interest income	$ 9,000		$ 31,000	$ 80,000	$ 62,000
Derivative number of instruments terminated | N		3	4

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