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ACCUMULATED OTHER COMPREHENSIVE LOSS (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Changes in accumulated other comprehensive income by component
Balance	$ 1,886,199	$ 1,790,290	$ 1,840,848	$ 1,807,336
Reclassification of realized losses on interest rate swaps	20	20	40	40
Balance	1,860,033	1,768,717	1,860,033	1,768,717
Unrealized losses on interest rate swaps
Changes in accumulated other comprehensive income by component
Unrealized losses on interest rate swaps			40
AOCI Including Portion Attributable to Noncontrolling Interest
Changes in accumulated other comprehensive income by component
Balance			(656)
Balance	(616)		(616)
Accumulated Other Comprehensive (Loss) Income
Changes in accumulated other comprehensive income by component
Balance	(613)	(709)	(632)	(729)
Balance	(594)	$ (689)	(594)	$ (689)
AOCI Attributable to Noncontrolling Interest
Changes in accumulated other comprehensive income by component
Balance	$ 22		$ 22

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Represents net of tax amount of the income statement impact of the reclassification adjustment of accumulated gain (loss) from interest rate swap agreements designated and qualifying as the effective portion of cash flow hedges realized in net income. Also includes reclassification adjustments of an entity's share of an equity investee's deferred hedging gain (loss) realized in net income.

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Amount after tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.

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