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		6 Months Ended
		Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Numerator:
Net (loss) income attributable to common stockholders		$ (8,141)	$ 48,260	$ (14,928)	$ 335,891
Redeemable preferred stock dividends declared on dilutive shares		0	659	(1)	1,151
Diluted net (loss) income attributable to common stockholders		$ (8,141)	$ 48,919	$ (14,929)	$ 337,042
Denominator:
Basic weighted average shares outstanding (in shares)	[1]	14,782,000	14,597,000	14,690,000	14,598,000
Diluted weighted average shares and common stock equivalents outstanding (in shares)	[1]	14,782,000	15,284,000	14,690,000	15,268,000
Net (loss) income attributable to common stockholders per share:
Basic (in usd per share)	[1]	$ (0.55)	$ 3.31	$ (1.02)	$ 23.01
Diluted (in usd per share)	[1]	$ (0.55)	$ 3.20	$ (1.02)	$ 22.08
Series A Preferred Stock
Denominator:
Effect of dilutive securities—contingently issuable shares (in shares)		0	687,000	162	670,000

[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.