DERIVATIVE AND HEDGING INSTRUMENTS - Derivative and Financial Instruments Designated as Hedging Instruments (Details) $ in Thousands	Jun. 30, 2020 USD ($) instrument	Dec. 31, 2019 USD ($)
Assets:
Fair Value	$ 7,006	$ 7,477
Liabilities:
Fair Value	43,691	626
Designated as Hedging Instrument
Assets:
Fair Value	7,006	7,477
Liabilities:
Fair Value	$ 135,316	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	$ 8,630	0
Designated as Hedging Instrument \| Forward starting interest rate swaps \| Cash flow \| Accounts receivable, prepaid expenses and other assets, net
Assets:
Count \| instrument	5
Fair Value	$ 1,228	0
Designated as Hedging Instrument \| Forward starting interest rate swaps \| Cash flow \| Accounts payable and accrued liabilities
Liabilities:
Count \| instrument	9
Fair Value	$ 31,889	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	$ 5,778	3,238
Designated as Hedging Instrument \| Forward starting interest rate collars \| Cash flow \| Accounts payable and accrued liabilities
Liabilities:
Count \| instrument	2
Fair Value	$ 3,172	132
Designated as Hedging Instrument \| CAD term loan \| Net investment \| Term loans, net
Liabilities:
Count \| instrument	1
Fair Value	$ 91,625	$ 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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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-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
-Section 50
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