DERIVATIVE AND HEDGING INSTRUMENTS - Derivative and Financial Instruments Designated as Hedging Instruments (Details) $ in Thousands	Sep. 30, 2020 USD ($) instrument	Dec. 31, 2019 USD ($)
Assets:
Fair Value	$ 8,473	$ 7,477
Liabilities:
Fair Value	40,138	626
Designated as Hedging Instrument
Assets:
Fair Value	8,473	7,477
Liabilities:
Fair Value	$ 133,676	96,651
Designated as Hedging Instrument \| Interest rate swaps \| Cash flow \| Accounts receivable, prepaid expenses and other assets, net
Assets:
Count \| instrument	0
Fair Value	$ 0	4,239
Designated as Hedging Instrument \| Interest rate swaps \| Cash flow \| Accounts payable and accrued liabilities
Liabilities:
Count \| instrument	11
Fair Value	$ 28,494	0
Designated as Hedging Instrument \| Forward starting interest rate swaps \| Cash flow \| Accounts receivable, prepaid expenses and other assets, net
Assets:
Count \| instrument	6
Fair Value	$ 3,840	0
Designated as Hedging Instrument \| Forward starting interest rate swaps \| Cash flow \| Accounts payable and accrued liabilities
Liabilities:
Count \| instrument	4
Fair Value	$ 10,742	494
Designated as Hedging Instrument \| Cross currency interest rate swaps \| Net investment \| Accounts receivable, prepaid expenses and other assets, net
Assets:
Count \| instrument	2
Fair Value	$ 4,633	3,238
Designated as Hedging Instrument \| Forward starting interest rate collars \| Cash flow \| Accounts payable and accrued liabilities
Liabilities:
Count \| instrument	1
Fair Value	$ 902	132
Designated as Hedging Instrument \| CAD term loan \| Net investment \| Term loans, net
Liabilities:
Count \| instrument	1
Fair Value	$ 93,538	$ 96,025

The number of derivative instruments of a particular derivative asset or group of derivative assets held by the entity.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
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+ References

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- Definition

The number of derivative instruments of a particular derivative liability or group of derivative liabilities held by the entity.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
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