RELATED PERSON TRANSACTIONS - Employees (Details) - Employee - Affiliated Entity - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Jason Smith
Related Party Transaction [Line Items]
Total compensation (less than)	$ 0.1	$ 0.1
Jason Smith \| Restricted Stock
Related Party Transaction [Line Items]
Granted (in shares)	2,239	355
Vesting period	2 years	2 years
Amberly Thompson
Related Party Transaction [Line Items]
Total compensation (less than)	$ 0.1	$ 0.1
Edward Kim
Related Party Transaction [Line Items]
Total compensation (less than)	$ 0.1

Amount of expense for employee benefit and equity-based compensation.

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- Definition

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.

+ References

No definition available.

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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

Net number of non-option equity instruments granted to participants.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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