STOCKHOLDERS' EQUITY - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
STOCKHOLDERS' EQUITY
Repurchase of common stock		$ 2,488	$ 1,435
Common Class D | 2019 Equity and Performance Incentive Plan | Restricted stock awards
STOCKHOLDERS' EQUITY
Period for recognition		6 months
Total unrecognized compensation, other than options	$ 900	$ 900
Common Class D | 2019 Equity and Performance Incentive Plan | Employee Stock Option
STOCKHOLDERS' EQUITY
Stock options	$ 400	$ 400
Period for recognition		5 months
Weighted average grant date fair value (in dollars per share)		$ 1.82
Grants (in shares)		740,139
Class A Common Stock Member | 2019 Equity and Performance Incentive Plan | Restricted stock awards
STOCKHOLDERS' EQUITY
Period for recognition		6 months
Other than options, granted	0	0
Other than options, vested In period		0
Other than options, unvested, number	750,000	750,000		750,000
Total unrecognized compensation, other than options	$ 900	$ 900
Class A Common Stock Member | 2019 Equity and Performance Incentive Plan | Employee Stock Option
STOCKHOLDERS' EQUITY
Grants (in shares)	0	0
Common Stock Class A
STOCKHOLDERS' EQUITY
Stock repurchased (shares)		449,277
Repurchase of common stock		$ 900
Average cost per share (USD per share)		$ 2.06
Common Stock Class D
STOCKHOLDERS' EQUITY
Stock repurchased (shares)		87,659	824
Repurchase of common stock		$ 100	$ 3
Average cost per share (USD per share)		$ 1.59	$ 3.99