Debt MIF Warehousing Agreement (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Nov. 15, 2021	Sep. 25, 2021	Dec. 31, 2020
Line of Credit Facility [Line Items]
Maximum Borrowing Availability under all Credit Lines	$ 325,000			$ 275,000
Notes payable bank - financial services operations	$ 266,160			$ 225,634
Warehousing Agreement - Fifth Amendment to Second Amended and Restated [Member]
Line of Credit Facility [Line Items]
Basis Point Spread on Variable Rate	1.90%
Line of Credit Facility, Maximum Borrowing Capacity	$ 175,000	$ 235,000	$ 210,000
libor floor	0.50%
Line of Credit Facility, Expiration Date	May 27, 2022
Repurchase Agreement-Fourth Amendment to Second Amendment and Restated [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 90,000
libor floor	0.75%
Line of Credit Facility, Expiration Date	Oct. 24, 2022
Libor Floor- Loan Type 2	0.625%
Minimum [Member] | Repurchase Agreement-Fourth Amendment to Second Amendment and Restated [Member]
Line of Credit Facility [Line Items]
Basis Point Spread on Variable Rate	1.75%
Maximum [Member] | Repurchase Agreement-Fourth Amendment to Second Amendment and Restated [Member]
Line of Credit Facility [Line Items]
Basis Point Spread on Variable Rate	2.00%