OPERATIONS, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Recent Accounting Pronouncements (Details) - USD ($) $ in Thousands  | 
Mar. 31, 2020  | 
Mar. 31, 2019  | 
|---|---|---|
| Operations, Basis of Presentation and Summary of Significant Accounting Policies [Abstract] | ||
| Right-of-use asset | $ 305,962 | $ 0 | 
| Operating lease, liability | $ 306,079 | |
| Accounting Standards Update 2016-02 | ||
| Operations, Basis of Presentation and Summary of Significant Accounting Policies [Abstract] | ||
| Right-of-use asset | 281,000 | |
| Operating lease, liability | $ 285,300 | 
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available. 
  | 
| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
  | 
| X | ||||||||||
- Definition Amount of lessee's right to use underlying asset under operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
  | 
| X | ||||||||||
- Details 
  |