Income (Loss) Per Share Attributable to Manitowoc Common Shareholders - Reconciliation of the average shares outstanding used to compute basic and diluted income per common share (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Earnings Per Share [Abstract]
Basic weighted average common shares outstanding (in shares)	35,348,597	35,564,946	35,527,971	35,488,271
Effect of dilutive securities (in shares)	110,359	363,381	158,860	446,822
Diluted weighted average common shares outstanding (in shares)	35,458,956	35,928,327	35,686,831	35,935,093