EQUITY-BASED COMPENSATION - Equity-Based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Compensation expense to be recognized
Unrecognized compensation costs related to non-vested awards	$ 13,301
2021	5,010
2022	4,914
2023	2,913
2024	444
2025	20
Corporate general and administrative
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation expense	1,569	$ 1,475
Time-based restricted stock \| Restricted Stock Awards
Compensation expense to be recognized
Unrecognized compensation costs related to non-vested awards	6,314
2021	2,247
2022	2,305
2023	1,500
2024	242
2025	20
Time-based restricted stock \| Restricted Stock Awards \| Corporate general and administrative
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation expense	665	602
Performance-based restricted stock \| Restricted Stock Awards
Compensation expense to be recognized
Unrecognized compensation costs related to non-vested awards	6,987
2021	2,763
2022	2,609
2023	1,413
2024	202
2025	0
Performance-based restricted stock \| Restricted Stock Awards \| Corporate general and administrative
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation expense	$ 904	$ 873

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Unrecognized cost of unvested share-based compensation awards to be recognized in the remainder of the fiscal year following the latest fiscal year.

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Unrecognized cost of unvested share-based compensation awards to be recognized during the fourth fiscal year following the latest fiscal year.

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Unrecognized cost of unvested share-based compensation awards to be recognized during the third fiscal year following the latest fiscal year.

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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