Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies - Initial Public Offering and Follow-Up Offering By Selling Stockholders (Details)

v3.20.4
Significant Accounting Policies - Initial Public Offering and Follow-Up Offering By Selling Stockholders (Details)
$ / shares in Units, $ in Thousands
9 Months Ended
Aug. 05, 2020
$ / shares
shares
Jun. 05, 2020
$ / shares
shares
Aug. 01, 2019
USD ($)
$ / shares
shares
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Jul. 31, 2019
shares
Subsidiary, Sale of Stock [Line Items]            
Gross proceeds received in public offering       $ 0 $ 590,297  
Payment of underwriting discounts, commissions and estimated offering related expense       $ 0 $ 5,000  
IPO            
Subsidiary, Sale of Stock [Line Items]            
Number of shares sold and issued (in shares) | shares     38,873,174      
Sale of stock price per share (in dollars per share) | $ / shares     $ 16.00      
Gross proceeds received in public offering     $ 622,000      
Proceeds from sale of stock, net of offering costs     585,300      
Payment of underwriting discounts, commissions and estimated offering related expense     $ 36,700      
IPO, Sale of Stockholders            
Subsidiary, Sale of Stock [Line Items]            
Number of shares sold and issued (in shares) | shares 25,000,000 34,500,000        
Sale of stock price per share (in dollars per share) | $ / shares $ 41.10 $ 35.00        
Common Class A            
Subsidiary, Sale of Stock [Line Items]            
Conversion of stock, conversion ratio     1      
Dynatrace Holdings LLC            
Subsidiary, Sale of Stock [Line Items]            
Common stock, issued during the exchange (in shares) | shares           241,547,218