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Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Earnings Per Share [Abstract]
Net income attributable to Albemarle Corporation	$ 375,764	$ 533,228	$ 693,562
Weighted-average common shares for basic earnings per share (in shares)	106,402	105,949	108,427
Basic earnings per share (in dollars per share)	$ 3.53	$ 5.03	$ 6.40
Incremental shares under stock compensation plans	406	372	1,031
Weighted-average common shares for diluted earnings per share (in shares)	106,808	106,321	109,458
Diluted earnings per share (in dollars per share)	$ 3.52	$ 5.02	$ 6.34

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