Capital Stock (Tables)

12 Months Ended

Dec. 31, 2021

Stockholders' Equity Note [Abstract]

Schedule of Activity in the Company's Common Shares Outstanding

Activity in the Company’s common shares outstanding is set forth below for the three years ended December 31, 2021 (in thousands):

	Common Stock
OUTSTANDING AT DECEMBER 31, 2018	54,715
Exercise of stock appreciation rights	84
Director compensation arrangements, net	10
Restricted/performance shares activity, net of forfeitures	39
Acquisition/surrender of shares	(334)
OUTSTANDING AT DECEMBER 31, 2019	54,514
Exercise of stock appreciation rights	87
Director compensation arrangements, net	9
Restricted/performance shares activity, net of forfeitures	132
Acquisition/surrender of shares	(359)
OUTSTANDING AT DECEMBER 31, 2020	54,383
Exercise of stock appreciation rights	147
Director compensation arrangements, net	7
Restricted/performance shares activity, net of forfeitures	101
Acquisition/surrender of shares	(120)
OUTSTANDING AT DECEMBER 31, 2021	54,518

Schedule of Shares of the Company's Reserved Common Stock

Shares of the Company’s common stock were reserved at December 31, 2021 as follows (in thousands): 

	Common Stock
Future grant of stock-based compensation	1,684
Shares reserved under other equity compensation plans	139
TOTAL	1,823