STOCKHOLDERS' EQUITY - At the Market Stock Offering (Details) - USD ($) $ / shares in Units, $ in Millions		12 Months Ended
Nov. 22, 2019	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Stockholders' Equity Note [Abstract]
Sale of stock, price per share	$ 0.01
Aggregate offering price	$ 100.0
Subscription agreement shares issued		0	0	0

Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

No definition available.

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