STOCK-BASED COMPENSATION (Tables)

12 Months Ended

Dec. 31, 2022

Stock-based payment awards

Schedule of valuation assumptions

	Year Ended December 31,
	2022			2021			2020
Remaining performance period as of grant date (in years)		2.9			2.8			2.9
Risk-free interest rate used		1.4	%		0.3	%		1.4	%
Grant-date fair value	$	11.96		$	14.30		$	11.33

Schedule stock-based compensation expense

	Year Ended December 31,
	2022		2021		2020
Equity award expense	$	11,928	$	11,336	$	10,551
Liability award expense (1)		2,569		(816)		1,521
Total stock-based compensation expense	$	14,497	$	10,520	$	12,072

(1) In 2021, we reversed a prior period expense of $2.1 million as the result of revised estimates of performance achievement of our 2020 and 2019 cash–settled performance–based restricted stock units.

Restricted stock and performance-based restricted stock units

Stock-based payment awards

Schedule of restricted stock activity

		Weighted
		Average
		Grant Date
		Fair Value
	Shares	Per Share
Non-vested restricted stock and performance-based restricted stock units, December 31, 2021	2,055	$	10.38
Granted	1,599		8.97
Vested	(1,071)		9.78
Canceled	(110)		9.09
Non-vested restricted stock and performance-based restricted stock units, December 31, 2022	2,473	$	9.79

Cash-settled performance units

Stock-based payment awards

Schedule of restricted stock activity

		Weighted
		Average
		Grant Date
		Fair Value
	Shares	Per Share
Non-vested cash-settled performance units, December 31, 2021	523	$	10.22
Granted	262		9.38
Vested	(139)		12.91
Canceled	(137)		9.42
Non-vested cash-settled performance units, December 31, 2022	509	$	9.27