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STOCK BASED AND OTHER COMPENSATION PLANS - Additional Information (Details) $ in Thousands |  |  |  |  |  | 3 Months Ended |
--- | --- | --- | --- | --- | --- | --- | ---
Mar. 26, 2020 shares | Feb. 18, 2020 USD ($) installment shares | Feb. 06, 2020 USD ($) | Feb. 18, 2019 shares | Feb. 07, 2019 USD ($) | Mar. 31, 2020 USD ($) shares | Mar. 31, 2019 USD ($) shares | Jun. 19, 2017 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Unrecognized compensation cost | $ |  |  |  |  |  | $ 24,700 |  |
Period of recognition for unrecognized compensation costs |  |  |  |  |  | 29 months 15 days |  |
Remaining vesting period |  |  |  |  |  | 35 months |  |
Aggregate value of awards granted | $ |  | $ 12,500 |  |  |  |  |  |
Accrued bonuses | $ |  |  | $ 55,200 |  | $ 61,400 |  |  |
Equity based compensation | $ |  |  | $ 27,000 |  | $ 26,600 |  |  |
Bonus expense | $ |  |  |  |  |  | $ 14,026 | $ 11,292 |
Restricted Stock |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Number of restricted shares granted (in shares) |  |  |  |  |  | 1,466,337 |  |
Forfeited (in shares) | 4,006 |  |  |  |  | 5,803 |  |
2014 Omnibus Incentive Plan | Management Grantees | Restricted Stock | Time Based Vesting on Three Year Anniversary |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Number of installments in which awards are vested | installment |  | 3 |  |  |  |  |  |
Bonus Expense |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Bonus expense | $ |  |  |  |  |  | $ 0 | $ 6,800 |
Class A Common Stock | Restricted Stock |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Number of restricted shares granted (in shares) |  |  |  |  |  | 1,466,337 | 1,541,001 |
Number of installments in which awards are vested | installment |  | 3 |  |  |  |  |  |
Class A Common Stock | Board of Directors | Restricted Stock |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Number of restricted shares granted (in shares) |  | 24,036 |  |  |  |  |  |
Vesting period |  | 1 year |  |  |  |  |  |
Grant date fair value | $ |  | $ 400 |  |  |  |  |  |
Class A Common Stock | Non-Management Grantee | Restricted Stock |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Aggregate value of awards granted | $ |  | $ 14,500 |  |  |  |  |  |
Number of restricted shares granted (in shares) |  | 775,100 |  |  |  |  |  |
Vesting percentage |  | 50.00% |  |  |  |  |  |
Number of installments in which awards are vested |  | 3 |  |  |  |  |  |
Class A Common Stock | 2014 Omnibus Incentive Plan | Restricted Stock | Period 2 |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Expected to vest (in shares) |  |  |  |  |  |  |  | 1,775
Class A Common Stock | 2014 Omnibus Incentive Plan | Restricted Stock | Period 3 |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Expected to vest (in shares) |  |  |  |  |  |  |  | 1,775
Class A Common Stock | 2014 Omnibus Incentive Plan | Restricted Stock | Period 4 |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Expected to vest (in shares) |  |  |  |  |  |  |  | 1,775
Class A Common Stock | 2014 Omnibus Incentive Plan | Restricted Stock | Period 5 |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Expected to vest (in shares) |  |  |  |  |  |  |  | 1,775
Class A Common Stock | 2014 Omnibus Incentive Plan | Restricted Stock | Period 6 |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Expected to vest (in shares) |  |  |  |  |  |  |  | 1,775
Class A Common Stock | 2014 Omnibus Incentive Plan | Restricted Stock | Period 7 |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Expected to vest (in shares) |  |  |  |  |  |  |  | 1,775
Class A Common Stock | 2014 Omnibus Incentive Plan | Management Grantees | Restricted Stock |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Number of restricted shares granted (in shares) |  |  |  | 667,201 |  |  |  |

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