Organization, Basis of Presentation and Summary of Significant Accounting Policies - Organization (Details)	6 Months Ended
	Jun. 30, 2025 vote equity stock	Jan. 21, 2021 tradingDay $ / shares shares
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Number of classes of equity | equity	2
Number of classes of stock | stock	4
Paired interests (in shares)		90,800,000
Minimum
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Business combination trading day period | tradingDay		10
Maximum
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Business combination trading day period | tradingDay		30
Triggering Event 1
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Paired interests (in shares)		22,690,421
Triggering Event 2
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Paired interests (in shares)		22,690,421
Triggering Event 3
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Paired interests (in shares)		22,690,421
Triggering Event 4
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Paired interests (in shares)		22,690,421
Common Class A
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Number of votes | vote	1
Common Class A | Triggering Event 1
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Share price (in usd per share) | $ / shares		$ 13.00
Common Class A | Triggering Event 2
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Share price (in usd per share) | $ / shares		15.00
Common Class A | Triggering Event 3
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Share price (in usd per share) | $ / shares		17.00
Common Class A | Triggering Event 4
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Share price (in usd per share) | $ / shares		$ 19.00
Common Class B
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Number of votes | vote	10
Common Class C
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Number of votes | vote	1
Common Class D
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Number of votes | vote	10
UWM Holdings Corporation
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Ownership percent	100.00%