Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders. Includes adjustments to additional paid in capital. Some examples of such adjustments include recording the issuance of debt with a beneficial conversion feature and certain tax consequences of equity instruments awarded to employees. Use this element for the aggregate amount of additional paid-in capital associated with common and preferred stock. For additional paid-in capital associated with only common stock, use the element additional paid in capital, common stock. For additional paid-in capital associated with only preferred stock, use the element additional paid in capital, preferred stock.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 65
-Paragraph 15
-Subparagraph (g)(2)
-URI http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(30)(a)(1))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Condensed Financial Information - Condensed Balance Sheet - Parent Company Only (Details) - USD ($) $ / shares in Units, $ in Thousands	Sep. 30, 2020	Jul. 24, 2020	Jun. 30, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Dec. 31, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 177,457			$ 32,433	$ 32,790		$ 39,240	$ 33,912
Total current assets	268,137			98,581			80,289
Total assets	1,055,284			904,808			853,384
Current liabilities:
Total current liabilities	181,019			151,519			107,519
Other liabilities - Noncurrent	9,399			9,338			196
Total liabilities	239,898			400,930			320,290
Stockholders' equity:
Common stock, $0.001 par value, 132,000,000 shares authorized, 102,843,612 and 102,649,701 shares issued and outstanding at December 31, 2019 and December 31, 2018, respectively	117			103			103
Additional paid-in capital	894,056			568,756			565,372
Accumulated deficit	(78,787)			(64,981)			(32,381)
Total stockholders' equity	815,386		$ 496,843	503,878	$ 514,381	$ 518,289	533,094	$ 565,265
Total liabilities and stockholders' equity	$ 1,055,284			$ 904,808			$ 853,384
Common stock, par value	$ 0.001	$ 0.001		$ 0.001			$ 0.001
Common stock, shares authorized	500,000,000	500,000,000		132,000,000			132,000,000
Common stock, shares issued	116,463,284			102,843,612			102,649,701
Common stock, shares outstanding	116,463,284			102,843,612			102,649,701
Jamf Holding Corp
Current assets:
Investment in subsidiaries				$ 503,878			$ 533,094
Total assets				503,878			533,094
Stockholders' equity:
Common stock, $0.001 par value, 132,000,000 shares authorized, 102,843,612 and 102,649,701 shares issued and outstanding at December 31, 2019 and December 31, 2018, respectively				103			103
Additional paid-in capital				568,756			565,372
Accumulated deficit				(64,981)			(32,381)
Total stockholders' equity				503,878			533,094
Total liabilities and stockholders' equity				$ 503,878			$ 533,094
Common stock, par value				$ 0.001			$ 0.001
Common stock, shares authorized				132,000,000			132,000,000
Common stock, shares issued				102,843,612			102,649,701
Common stock, shares outstanding				102,843,612			102,649,701