Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2022

Stockholders' Equity Note [Abstract]

Summary of Share Count and Par Value Data Related to Shareholders' Equity

Share count and par value data related to shareholders' equity are as follows:

	As of December 31,
	2022		2021
Preferred Stock
Par value per share	No par value		No par value
Shares authorized		25,000,000		25,000,000
Shares outstanding		—		—
Common Stock
Par value per share	No par value		No par value
Shares authorized		75,000,000		75,000,000
Shares issued		57,330,761		57,245,060
Shares outstanding		31,680,890		32,178,715
Treasury stock
Shares held		25,649,871		25,066,345

Summary of Common Shares Outstanding

A roll forward of common shares outstanding is as follows:

	As of December 31,
	2022			2021
Balance at beginning of the year		32,178,715			32,276,787
Repurchases		(583,526	)		(266,722	)
Restricted stock unit issuances		85,701			168,650
Balance at end of period		31,680,890			32,178,715