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EMPLOYEE BENEFIT PLAN (Details) - Employee 401(k) Plan - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Employee Benefit Plant
Employer matching contribution as a percentage of the employee's contribution	50.00%
Percent of employee's earnings eligible for employer matching contribution	8.00%
Vesting period of contribution by the company	4 years
Matching contributions by the company	$ 5.5	$ 4.7	$ 3.4
2 years of service
Employee Benefit Plant
Percentage of award vesting	50.00%
3 years of service
Employee Benefit Plant
Percentage of award vesting	75.00%
4 years of service
Employee Benefit Plant
Percentage of award vesting	100.00%

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- Definition

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+ References

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- Definition

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- Definition

Amount of cost for defined contribution plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 70
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942

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- Definition

Percentage employer matches of the employee's percentage contribution matched.

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- Definition

Percentage of vesting of award under share-based payment arrangement.

+ 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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