Cover Page - USD ($)	12 Months Ended
	Dec. 31, 2019	Feb. 13, 2020	Jun. 30, 2019
Cover page.
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2019
Document Transition Report	false
Entity File Number	1-13648
Entity Registrant Name	Balchem Corporation
Entity Incorporation, State or Country Code	MD
Entity Tax Identification Number	13-2578432
Entity Address, Address Line One	52 Sunrise Park Road
Entity Address, City or Town	New Hampton
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	10958
City Area Code	845
Local Phone Number	326-5600
Title of 12(b) Security	Common Stock, par value $.06-2/3 per share
Trading Symbol	BCPC
Security Exchange Name	NASDAQ
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Small Reporting Company	false
Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float			$ 3,212,000,000
Entity Common Stock, Shares Outstanding		32,254,855
Documents Incorporated by Reference	Selected portions of the Registrant’s proxy statement for its 2020 Annual Meeting of Stockholders (the “2020 Proxy Statement”) to be filed with the Securities and Exchange Commission pursuant to Regulation 14A within 120 days after Registrant’s fiscal year-end of December 31, 2019 are incorporated by reference in Part III of this Annual Report on Form 10-K to the extent stated therein.
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	FY
Amendment Flag	false
Entity Central Index Key	0000009326
Current Fiscal Year End Date	--12-31