EQUITY PLANS (Details)	3 Months Ended
Mar. 31, 2020 USD ($) plan shares	Mar. 31, 2019 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of incentive plans \| plan	2
Share based compensation expense \| $	$ 5,500,000	$ 200,000
Share based income tax benefit (expense) \| $	$ 2,100,000	$ 37,000
Restricted Stock Units (RSUs) \| Share-based Payment Arrangement, Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	33.00%
Restricted Stock Units (RSUs) \| Share-based Payment Arrangement, Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	33.00%
Restricted Stock Units (RSUs) \| Share-based Payment Arrangement, Tranche Three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	33.00%
2010 Option Plan \| Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock available to acquire (in shares)	2,455,368
2015 Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock available to acquire (in shares)	1,700,000
Restricted stock units issued in period (in shares)	483,860
Shares available for grant (in shares)	738,602

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

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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.

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