RELATED PARTY TRANSACTIONS - Additional Information (Details) $ in Thousands		3 Months Ended		6 Months Ended		8 Months Ended
	Mar. 27, 2019 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2018 USD ($)	Mar. 26, 2019	Dec. 31, 2018 USD ($)
Ratio of percentage of stockholders' equity paid up to predetermined amount	0.000875					0.000875
Ratio of percentage of stockholders' equity paid over a predetermined amount	0.000625
Predetermined amount of stockholders equity used in calculating monthly management fee	$ 17,280,000
Portion of calculated stockholders' equity used to determine management fee	0.083
Compensation and management fee		$ 44,231	$ 45,579	$ 89,064	$ 90,108
Ratio of independent directors or holders of a majority of the outstanding shares				0.0067
Management Agreement
Compensation and management fee		44,200	$ 45,600	$ 89,100	$ 90,100
Reimbursement payments		7,100		14,300
Management fee payable		$ 16,900		$ 16,900			$ 16,000
Renewal term				2 years
Accelerated period for agreement termination, if election to terminate is not made				90 days
Management Agreement | Minimum
Accelerated period for agreement termination, if election to terminate is made				7 days
Management Agreement | Maximum
Accelerated period for agreement termination, if election to terminate is made				90 days