EARNINGS PER SHARE (''EPS'') - Reconciliation of the Numerator and Denominator Used in Computing Basic and Diluted Per Share Computations (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Numerator:
Net (loss) income attributable to common stockholders		$ (9,678)	$ (1,622)	$ (24,606)	$ 334,269
Redeemable preferred stock dividends declared on dilutive shares		0	0	(1)	1,917
Diluted net (loss) income attributable to common stockholders		$ (9,678)	$ (1,622)	$ (24,607)	$ 336,186
Denominator:
Basic weighted average shares outstanding (in shares)	[1]	14,805,000	14,598,000	14,729,000	14,598,000
Diluted weighted average shares and common stock equivalents outstanding (in shares)	[1]	14,805,000	14,599,000	14,729,000	15,825,000
Net (loss) income attributable to common stockholders per share:
Basic (in usd per share)	[1]	$ (0.65)	$ (0.11)	$ (1.67)	$ 22.90
Diluted (in usd per share)	[1]	$ (0.65)	$ (0.11)	$ (1.67)	$ 21.24
Series A Preferred Stock
Denominator:
Effect of dilutive securities—contingently issuable shares (in shares)		0	1,000	108	1,227,000

[1] All share and per share amounts have been adjusted to give retroactive effect to the one-for-three reverse stock split of our common stock effected on September 3, 2019.