Condensed Consolidated Statements of Equity (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Statement of Stockholders' Equity [Abstract]
Stock awards, stock option exercises and other shares issued to employees and directors, tax	$ 0	$ 0
Number Of Common Shares Issued For Cash	86	181
Dividends declared, per common share (in dollars per share)	$ 0.175	$ 0.175