XML 18 R1.htm IDEA: XBRL DOCUMENT v3.22.1
Cover - shares
 3 Months Ended
Mar. 31, 2022
May 03, 2022
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Mar. 31, 2022  
Document Transition Report false  
Entity File Number 001-39432  
Entity Registrant Name Rocket Companies, Inc.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 84-4946470  
Entity Address, Address Line One 1050 Woodward Avenue  
Entity Address, City or Town Detroit  
Entity Address, State or Province MI  
Entity Address, Postal Zip Code 48226  
City Area Code 313  
Local Phone Number 373-7990  
Title of 12(b) Security Class A common stock, par value $0.00001 per share  
Trading Symbol RKT  
Security Exchange Name NYSE  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Central Index Key 0001805284  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2022  
Document Fiscal Period Focus Q1  
Amendment Flag false  
Class A common stock    
Entity Listings [Line Items]    
Entity Common Stock, Shares Outstanding   118,539,560
Class D common stock    
Entity Listings [Line Items]    
Entity Common Stock, Shares Outstanding   1,848,879,483