STOCKHOLDERS' EQUITY AND EARNINGS PER SHARE - Narrative (Details) $ / shares in Units, $ in Thousands							1 Months Ended	3 Months Ended		12 Months Ended
	Sep. 25, 2019 USD ($) $ / shares shares	Jul. 23, 2019 USD ($)	Apr. 01, 2019 USD ($)	Jan. 11, 2019 $ / shares shares	May 31, 2018 USD ($) $ / shares shares	Feb. 09, 2018 USD ($) $ / shares shares	Jul. 31, 2014 USD ($) shares	Mar. 31, 2020 USD ($) fiscal_quarter shares	Mar. 31, 2019 USD ($) shares	Dec. 31, 2019 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, shares outstanding (in shares) | shares								16,612,294		16,558,759
Deemed dividend on Series B redeemable convertible preferred stock								$ (287)	$ (936)
Redeemable Preferred Stock Dividends								$ 1,394	641
Treasury stock acquired, average cost per share (in dollars per share) | $ / shares				$ 2.00
Shares vested (in shares) | shares								1,093,562
Warrant or right, outstanding (in shares) | shares								2,600,000
Stock-based compensation expense								$ 100	100
Stock Incentive Plan 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation								$ 800
Period of recognition								1 year 3 months
Restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unvested restricted stock grants outstanding (in shares) | shares								554,452
JPMorgan Chase Funding Inc.
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Warrant, period						2 years
Warrant, authorized issuance (in shares) | shares						600,000
Warrant, exercise price per share (in USD per share) | $ / shares						$ 2.25
Common Class D
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, shares outstanding (in shares) | shares								0		0
Series B-1 and B-2 Cumulative Convertible Preferred Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Additional issue of preferred stock (in shares) | shares							8,200,000
Deemed dividend on redeemable convertible preferred stock							$ 26,400
Preferred stock, liquidation preference, percent								150.00%
Preferred stock, redemption amount								$ 39,600
Preferred stock redemption premium								$ 13,200
Preferred distribution rate								8.00%
Series B-1 and B-2 Cumulative Convertible Preferred Stock | JPMorgan Chase Funding Inc.
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Proceeds from issuance of preferred equity		$ 2,600	$ 2,600					$ 2,600
Warrant, period		1 year	1 year
Series B Preferred Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Preferred stock, trigger for redemption, number of quarters dividends not paid in full | fiscal_quarter								2
Preferred stock, redemption period after trigger for redemption								180 days
Preferred stock, redemption notice										30 days
Redeemable Preferred Stock Dividends								$ 1,900	$ 700
Series B Preferred Stock | JPMorgan Chase Funding Inc.
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Additional issue of preferred stock (in shares) | shares						2,352,941.17647059
Preferred stock, purchase price, value						$ 8,000
Series B-3 Preferred Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Preferred stock, redemption amount								11,600
Preferred stock redemption premium								3,600
Series B-4 Preferred Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Preferred stock, redemption amount								8,700
Preferred stock redemption premium								$ 2,700
Series B-4 Preferred Stock | JPMorgan Chase Funding Inc.
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Additional issue of preferred stock (in shares) | shares	1,875,000
Preferred stock per share (in dollars per share) | $ / shares	$ 3.20
Proceeds from issuance of preferred equity	$ 6,000
Series A Preferred Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Preferred distribution rate								7.50%
Series A Preferred Stock | JPMorgan Chase Funding Inc.
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Additional issue of preferred stock (in shares) | shares					22,000
Preferred stock, purchase price, value					$ 22,000
Estimated fair value per share (in USD per share) | $ / shares					$ 1,000
Common Class B
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Treasury stock repurchase (in shares) | shares				477,170
Treasury stock, retired (in shares) | shares								4,618
Class C Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Treasury stock repurchase (in shares) | shares				22,830
Treasury stock, retired (in shares) | shares								2,203
Series B-3 and B-4 Cumulative Convertible Preferred Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Preferred stock, liquidation preference, percent								145.00%
Preferred distribution rate								5.65%
Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation (in shares) | shares								60,356	112,304