Organization, Basis of Presentation and Summary of Significant Accounting Policies - Organization (Details) $ / shares in Units, $ in Millions		3 Months Ended
	Jan. 21, 2021 vote event $ / shares shares	Mar. 31, 2024 USD ($) coverage shares	Jan. 20, 2021 shares
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Number of insurance coverages | coverage		2
Loss contingency, insurance deductible | $		$ 20.5
Common Class A
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Number of votes | vote	1
Conversion ratio		1
Number of trigger events | event	4
Common Class A | Minimum
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Share price (in usd per share) | $ / shares	$ 13.00
Common Class A | Maximum
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Share price (in usd per share) | $ / shares	$ 19.00
Common Class C
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Number of votes | vote	1
Common Class B
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Number of votes | vote	10
Exchange ratio (in shares)		1
Common Class D
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Number of votes | vote	10
SFS Corp
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Ownership percent	6.00%
UWM Holdings Corporation
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Ownership percent	94.00%
UWM
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Number of units authorized (in shares)			1
Number of units issued (in shares)			1
Number of units outstanding (in shares)			1
SFS Corp | UWM Holdings Corporation | Class B and Class D
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Number of earn-out shares to be issued	90,761,687