Quarterly Data (Tables)

12 Months Ended

Dec. 31, 2020

Quarterly Data [Abstract]

Summary of Quarterly Financial Information

							Net Income		Earnings (Loss) Attributable
							(Loss)		to Ferro Corporation Common
							Attributable		Shareholders Per Common
					Net Income		to Ferro		Share
(Dollars in thousands, except per share data)	Net Sales		Gross Profit		(Loss)		Corporation		Basic		Diluted
2019
Quarter 1	$	263,382	$	77,859	$	13,878	$	13,604	$	0.16	$	0.16
Quarter 2		260,958		79,130		11,109		10,871		0.13		0.13
Quarter 3		245,339		76,062		13,210		12,820		0.16		0.16
Quarter 4		244,778		74,925		(30,782)		(31,257)		(0.38)		(0.38)
Total	$	1,014,457	$	307,976	$	7,415	$	6,038	$	0.07	$	0.07
2020
Quarter 1	$	252,326	$	80,738	$	16,133	$	16,123	$	0.19	$	0.19
Quarter 2		204,801		63,744		(5,164)		(5,540)		(0.07)		(0.07)
Quarter 3		241,877		70,166		14,914		14,474		0.18		0.17
Quarter 4		259,950		79,108		18,160		17,742		0.22		0.22
Total	$	958,954	$	293,756	$	44,043	$	42,799	$	0.52	$	0.52