Cover Page - shares	3 Months Ended
	Mar. 31, 2020	Apr. 30, 2020
Document and Entity Information
Entity Address, Address Line One	1000 Cedar Hollow Road
Entity Incorporation, State or Country Code	DE
Title of 12(b) Security	Common Stock, par value $0.001 per share
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2020
Document Transition Report	false
Entity File Number	000-55039
Entity Registrant Name	BioTelemetry, Inc.
City Area Code	610
Local Phone Number	729-7000
Trading Symbol	BEAT
Entity Central Index Key	0001574774
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q1
Amendment Flag	false
Entity Emerging Growth Company	false
Entity Small Business	false
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		34,144,802
Security Exchange Name	NASDAQ
Entity Tax Identification Number	46-2568498
Entity Address, City or Town	Malvern,
Entity Address, State or Province	PA
Entity Address, Postal Zip Code	19355