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STOCK BASED AND OTHER COMPENSATION PLANS - Bonus Payments (Details) - USD ($) $ in Thousands |  |  | 3 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Feb. 15, 2019 | Dec. 21, 2017 | Mar. 31, 2019 | Mar. 31, 2018 | Jan. 05, 2018 | Dec. 29, 2017 | Dec. 19, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Accrued bonuses | $ 61,400 |  |  |  |  |  | $ 49,300
Equity based compensation | $ 26,600 | $ 15,500 |  |  |  |  |
Bonuses Paid |  |  |  |  | $ 16,800 | $ 17,100 |
Recognized equity based compensation expense |  |  | $ 11,292 | $ 2,400 |  |  |
2018 Bonus Expense |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Recognized equity based compensation expense |  |  | $ 6,800 | $ 10,100 |  |  |

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- Definition Carrying value as of the balance sheet date of obligations incurred and payable for incentive compensation awarded to employees and directors or earned by them based on the terms of one or more relevant arrangements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.15(a)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.15(5)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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