Prepaid Expenses and Other Assets (Schedule of Prepaid Expenses and Other Assets) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Prepaid Expenses and Other Assets [Abstract]
Prepaid insurance	$ 37,814	$ 18,699
Lot option and escrow deposits	61,649	39,985
Performance deposits	11,196	9,372
Deferred financing costs on revolving line of credit, net	5,135	3,206
Restricted cash	5,931	4,080
Secured note receivable		2,434
Right of use assets	16,939	16,175
Other assets and prepaid expenses	28,322	8,082
Mortgage loans held for investment	13,456	8,727
Derivative assets and mortgage servicing rights	19,645	11,870
Total prepaid expenses and other assets	$ 200,087	$ 122,630