Cover Page Cover Page - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Feb. 17, 2020	Jun. 30, 2019
Document and Entity Information
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2019
Document Transition Report	false
Entity File Number	000-55039
Entity Registrant Name	BioTelemetry, Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	46-2568498
Entity Address, Address Line One	1000 Cedar Hollow Road
Entity Address, City or Town	Malvern,
Entity Address, State or Province	PA
Entity Address, Postal Zip Code	19355
City Area Code	(610)
Local Phone Number	729-7000
Title of 12(b) Security	Common Stock, par value $0.001 per share
Trading Symbol	BEAT
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
Entity Emerging Growth Company	false
Entity Small Business	false
Entity Shell Company	false
Entity Public Float			$ 1,600
Entity Common Stock, Shares Outstanding		34,023,053
Entity Central Index Key	0001574774
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2019
Current Fiscal Year End Date	--12-31
Amendment Flag	false