SHAREHOLDERS' EQUITY - Additional Information (Details)		12 Months Ended
	Feb. 16, 2021 $ / shares	Dec. 31, 2020 USD ($) board_member $ / shares shares	Dec. 31, 2019 USD ($) $ / shares shares	Dec. 31, 2018 USD ($) $ / shares	Dec. 31, 1995 shares
Class Of Stock [Line Items]
Preferred Stock, shares authorized ( in shares)		5,000,000	5,000,000
Preferred Stock, par value (in dollars per share) | $ / shares		$ 0.01	$ 0.01
Number of board members elected by class A shareholders | board_member		2
Common Stock, shares authorized (in shares)		200,000,000	200,000,000
Common Stock, par value (in dollars per share) | $ / shares		$ 0.01	$ 0.01
Common Stock, shares issued (in shares)		49,013,476	48,852,193
Common Stock, shares outstanding (in shares)		47,647,828	47,486,545
Treasury stock repurchased shares		0	4,011
Treasury stock aggregate purchase price value | $			$ 649,000	$ 477,000
Common stock dividends declared per share | $ / shares		$ 0.60	$ 0.40	$ 0.24
Common stock dividends paid per share | $ / shares		$ 0.60
Common stock dividends paid | $		$ 28,400,000
Subsequent Event [Member]
Class Of Stock [Line Items]
Common stock dividends declared per share | $ / shares	$ 0.20
Dividend declared date	Feb. 16, 2021
Dividend payable date	Mar. 31, 2021
Dividend record date	Mar. 16, 2021
Series A Nonconvertible Preferred Stock [Member]
Class Of Stock [Line Items]
Preferred Stock, shares issued (in shares)		200,000	200,000		200,000
Preferred Stock, liquidation value per share (in dollars per share) | $ / shares		$ 7.50	$ 7.50
Preferred stock voting rights		Holders of the Series A shares are entitled to one vote per share on matters which shareholders are generally entitled to vote.
Preferred Stock, shares outstanding (in shares)		200,000	200,000