STOCK-BASED COMPENSATION (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Stock-based compensation
Stock-based compensation expense	$ 2,636	$ 2,124
Other than options granted (in shares)	138,890	67,600
Restricted stock
Stock-based compensation
Stock-based compensation expense	$ 1,614	$ 1,155
Other than options granted (in shares)	56,530	28,220
Unrecognized compensation expense	$ 11,230
Weighted-average recognition period	2 years 3 months 18 days
Performance stock
Stock-based compensation
Stock-based compensation expense	$ 810	$ 631
Other than options granted (in shares)	82,360	39,380
Earn out basis if all goals are met (as a percent)	200.00%	200.00%
Unrecognized compensation expense	$ 8,893
Weighted-average recognition period	2 years 3 months 18 days
Stock appreciation rights
Stock-based compensation
Stock-based compensation expense	$ 205	$ 332
Unrecognized compensation expense	$ 312
Weighted-average recognition period	4 months 24 days
Stock options
Stock-based compensation
Stock-based compensation expense	$ 7	$ 6
Unrecognized compensation expense	$ 11
Weighted-average recognition period	4 months 24 days

Percentage of third interim earn out which is a basis for vesting.

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(01)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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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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