SHARE-BASED COMPENSATION (Tables)

9 Months Ended

Sep. 30, 2020

Share-based Payment Arrangement [Abstract]

Summary of Transactions Involving Stock Units and Director Stock Grants

Transactions involving our stock units and director stock grants during the nine months ended September 30, 2020 are summarized below:

	Nine Months Ended September 30, 2020
	(unaudited)
	No. of Stock Units	Weighted Average Fair Value
	(in thousands)
Stock and stock units, beginning of period	784	$	17.35
Changes during the period:
Granted	—	$	—
Vested and settled	(2)	$	17.98
Forfeited and cancelled	(73)	$	17.21
Stock and stock units, end of period	709	$	17.36

Summary of Transactions Involving Performance Awards

Transactions involving our performance awards during the nine months ended September 30, 2020 are summarized below:

	Nine Months Ended September 30, 2020
	(unaudited)
	Performance Units Subject to Market Conditions			Performance Units Not Subject to Market Conditions
	No. of Stock Units1	Weighted Average Fair Value		No. of Stock Units1	Weighted Average Fair Value
	(in thousands)			(in thousands)
Performance stock units, beginning of period	489	$	16.49	209	$	17.06
Changes during the period:
Granted	—	$	—	—	$	—
Vested and settled	(89)	$	17.54	(65)	$	15.24
Forfeited and cancelled	(9)	$	25.24	(33)	$	16.05
Performance stock units, end of period	391	$	16.07	111	$	18.42

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1    Performance units with variable payouts are shown at target level of performance.