Net Income per Common Share - Computation of basic and diluted net income per common share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Earnings Per Share [Abstract]
Net income attributable to Acushnet Holdings Corp.	$ 21,600	$ 63,216	$ 2,313	$ 8,877	$ 17,859	$ 29,797	$ 38,488	$ 34,926	$ 96,006	$ 121,070	$ 99,872
Weighted average number of common shares:
Basic (in shares)									74,494,310	75,418,204	74,766,176
Diluted (in shares)									75,060,610	75,759,605	75,472,342
Net income per common share attributable to Acushnet Holdings Corp.:
Basic (in dollars per share)	$ 0.29	$ 0.85	$ 0.03	$ 0.12	$ 0.24	$ 0.40	$ 0.51	$ 0.46	$ 1.29	$ 1.61	$ 1.34
Diluted (in dollars per share)	$ 0.29	$ 0.84	$ 0.03	$ 0.12	$ 0.24	$ 0.39	$ 0.51	$ 0.46	$ 1.28	$ 1.60	$ 1.32