Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2021

Share-based Payment Arrangement [Abstract]

Stock Compensation Plans

The table below summarizes the transactions under the Company’s active stock-based compensation plans for the three months ended March 31, 2021: 

	Stock Options Outstanding			Non-vested Stock Awards Outstanding			Non-vested Stock Units Outstanding
(Shares in thousands)	Number of Shares	Weighted Average Exercise Price		Number of Shares	Weighted Average Grant-Date Fair Value		Number of Shares	Weighted Average Grant-Date Fair Value
Beginning balance, January 1, 2021	658	$	22.48	5	$	22.35	1,032	$	24.53
Granted	—	—		—	—		202	29.65
Stock options exercised	(166)	22.47		—	—		—	—
Stock awards/units vested (earned)	—	—		(2)	22.20		(272)	25.74
Forfeited/expired	—	—		—	—		(27)	25.56
Balance, March 31, 2021	492	$	22.48	3	$	22.48	935	$	25.21
Exercisable, March 31, 2021	492	$	22.48

Stock Options

The following table summarizes information about stock options under the plans outstanding at March 31, 2021:

					Options Outstanding			Options Exercisable
Range of Exercise Prices					Number of Shares (In thousands)	Weighted Average Remaining Contractual Life (Years)	Weighted Average Exercise Price	Number of Shares (In thousands)	Weighted Average Exercise Price
$	9.46	—	$	9.46	1	0.80	$9.46	1	$9.46
10.65		—	10.65		3	1.83	10.65	3	10.65
20.29		—	20.29		47	3.75	20.29	47	20.29
20.36		—	20.36		1	3.63	20.36	1	20.36
22.20		—	22.20		53	3.98	22.20	53	22.20
22.75		—	22.75		306	4.36	22.75	306	22.75
23.51		—	23.51		74	4.81	23.51	74	23.51
24.07		—	24.07		7	4.46	24.07	7	24.07
$	9.46	—	$	24.07	492	4.31	$22.48	492	$22.48

Restricted Performance Stock Unit Activity

The table below summarizes the Company’s performance stock unit activity for the three months ended March 31, 2021:

(In thousands)	Performance Stock Units
Non-vested, January 1, 2021	222
Granted	—
Vested (earned)	(57)
Forfeited	(1)
Non-vested, March 31, 2021	164