CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (Unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Mar. 31, 2020
Statement of Stockholders' Equity [Abstract]
Total other comprehensive income, deferred income taxes	$ 34	$ 134	$ (1,229)	$ (5,267)
Vesting of restricted stock units and other stock grants (in shares)	34,986	144,967	14,211	104,840
Stock appreciation rights exercised (in shares)	13,061	3,842	6,744
Stock Issued During Period, Shares, Other		69,127		265,151