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EMPLOYEE BENEFIT PLANS (Details) - USD ($) shares in Millions | 1 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
May 31, 2021 | Jun. 30, 2022 | Dec. 31, 2021 | Feb. 28, 2014
United States |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined contribution retirement plan, maximum employee contribution deferred |  | 100.00% | 100.00% |
Discretionary match per participating employee, maximum |  | $ 4,000 | $ 4,000 |
Canada |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Employer matching contribution, percent of employees' eligible compensation |  |  | 4.00% |
2014 Employee Stock Purchase Plan |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Shares of common stock reserved for issuance (in shares) |  |  |  | 0.2
Number of additional shares authorized (in shares) | 2.3 |  |  |
Common stock purchase price, discount rate |  | 15.00% | 15.00% |
Common stock available for sale (in shares) |  | 2.3 | 2.3 |

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- Definition Defined Contribution Plan, Employer Discretionary Matching Contribution, Maximum Annual Amount Per Employee + References No definition available. + Details
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- Definition Aggregate number of common shares reserved for future issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Discount rate from fair value on purchase date that participants pay for shares. + 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 -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + 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 -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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