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Fair Value Measurements Fair Value of Financial Instrument Assumptions (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Nov. 14, 2022
Sep. 30, 2022
Sep. 19, 2022
Revolving Credit Facility [Member]        
Fair Value of Financial Instrument Assumptions [Line Items]        
Basis Point Spread on Variable Rate 1.75%      
Line of Credit Facility, Current Borrowing Capacity $ 650.0   $ 550.0  
Line of Credit Facility, Maximum Borrowing Capacity $ 800.0      
Line of Credit Facility, Initiation Date Jul. 18, 2013      
Warehousing Agreement - Third Amended and Restated        
Fair Value of Financial Instrument Assumptions [Line Items]        
Basis Point Spread on Variable Rate 1.90%      
Line of Credit Facility, Maximum Borrowing Capacity $ 200.0 $ 300.0   $ 275.0
Line of Credit Facility, Initiation Date May 27, 2022      
Repurchase Agreement-Fifth Amendment to Second Amendment and Restated        
Fair Value of Financial Instrument Assumptions [Line Items]        
Line of Credit Facility, Maximum Borrowing Capacity $ 90.0      
Line of Credit Facility, Initiation Date Oct. 30, 2017