SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Description of Business (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
Jun. 30, 2018	Mar. 31, 2019	Dec. 31, 2018	May 04, 2018	Dec. 31, 2017
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Common Stock, Par or Stated Value Per Share		$ 0.01	$ 0.01	$ 0.01	$ 1.00
Reclassification From Common Stock	$ 66.4
Reclassification Into Paid In Capital	$ 66.4

Face amount or stated value per share of common stock.

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 http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_CommonStockParOrStatedValuePerShare
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant