SHAREHOLDERS EQUITY - Common Stock (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Jun. 14, 2019	Dec. 31, 2018
Class of Stock [Line Items]
Common stock par value		$ 0			$ 0
Issuance of common stock, net of issuance costs	$ (181)		$ 1,909
Common stock issuance costs			$ 7
Preferred Stock, shares outstanding		0			0
Series D
Class of Stock [Line Items]
Preferred Stock, shares outstanding		0			0
Common Stock
Class of Stock [Line Items]
Common stock par value		$ 0.00
Number of votes per each share		one
Issuance of common stock (in shares)		0
Authorized share repurchase				300,000
Common Stock | Time Vesting Units
Class of Stock [Line Items]
Issuance of common stock (in shares)	16,969		16,969
Common Stock | Private Placement
Class of Stock [Line Items]
Issuance of common stock (in shares)	67,242
Issuance of common stock, net of issuance costs	$ 1,900
Common stock issuance costs	$ 100		$ 100