SHAREHOLDERS EQUITY - Common Stock (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		9 Months Ended
	Jun. 14, 2019	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Class of Stock [Line Items]
Common stock par value		$ 0		$ 0		$ 0
Issuance of common stock, net of issuance costs			$ 32,541		$ 34,450
Common stock issuance costs					$ 4,411
Common Stock
Class of Stock [Line Items]
Common stock par value		$ 0.00		$ 0.00
Authorized share repurchase	300,000
Number of votes per each share				one
Effective term of program	1 year
Issuance of common stock (in shares)				0
Number of shares repurchased		582
Repurchase price		$ 14.00		$ 14.00
Balance t be repurchased		299,418		299,418
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