Quarterly Data (Tables)

12 Months Ended

Dec. 31, 2019

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
	Net Sales		Gross Profit		(Loss)		Corporation		Basic		Diluted
	(Dollars in thousands, except per share data)
2018
Quarter 1	$	274,448	$	88,740	$	23,598	$	23,391	$	0.28	$	0.27
Quarter 2		273,544		90,793		29,861		29,668		0.35		0.35
Quarter 3		267,739		79,732		16,143		16,058		0.19		0.19
Quarter 4		266,492		80,470		11,344		10,976		0.13		0.13
Total	$	1,082,223	$	339,735	$	80,946	$	80,093	$	0.95	$	0.94
2019
Quarter 1	$	264,240	$	78,012	$	13,878	$	13,604	$	0.16	$	0.16
Quarter 2		261,978		79,343		11,109		10,871		0.13		0.13
Quarter 3		246,291		76,186		13,210		12,820		0.16		0.16
Quarter 4		245,857		75,275		(30,782)		(31,257)		(0.38)		(0.38)
Total	$	1,018,366	$	308,816	$	7,415	$	6,038	$	0.07	$	0.07