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Lines of Credit (Details) - USD ($)
Dec. 28, 2020
Jun. 30, 2022
Dec. 31, 2021
Dec. 27, 2018
Aug. 09, 2018
Line of Credit Facility [Line Items]          
Letters of credit outstanding, amount   $ 211,000,000      
Financial Services:          
Line of Credit Facility [Line Items]          
Warehouse agreement borrowings   $ 175,565,000 $ 256,300,000    
Maximum          
Line of Credit Facility [Line Items]          
Borrowing base required leverage ratio 55.00%        
Revolving Credit Facility          
Line of Credit Facility [Line Items]          
Maximum borrowing capacity $ 1,200,000,000     $ 1,000,000,000  
Extended maturity amount 1,125,000,000        
Potential maximum borrowing capacity, subject to additional commitments $ 1,700,000,000        
Interest rate, stated percentage 0.00%        
Maximum leverage ratio 55.00%        
Minimum common stock outstanding ownership, percentage   50.00%      
Letters of credit outstanding, amount   $ 51,100,000 40,100,000    
Revolving credit facility   10,000,000 $ 10,000,000    
Remaining borrowing capacity   1,140,000,000      
Revolving Credit Facility | Fed Funds Effective Rate Overnight Index Swap Rate          
Line of Credit Facility [Line Items]          
Basis spread on variable rate 1.50%        
Revolving Credit Facility | Specified Eurocurrency Rate          
Line of Credit Facility [Line Items]          
Basis spread on variable rate 1.00%        
Mortgage Repurchase Facility | Warehouse Agreement Borrowings          
Line of Credit Facility [Line Items]          
Maximum borrowing capacity         $ 75,000,000
Maximum increase to borrowing capacity   $ 225,000,000     $ 75,000,000