Consolidated Statements of Equity (Parenthetical) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Stockholders' Equity [Abstract]
Stock awards, stock option exercises and other shares issued to employees and directors, tax	$ 0	$ 0	$ 0
Number Of Common Shares Issued For Cash	51	22	150
Purchase of treasury shares (in shares)	384
Dividends declared, per common share (in dollars per share)	$ 0.725	$ 0.705	$ 0.70