Prepaid Expenses and Other Assets (Schedule of Prepaid Expenses and Other Assets) (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Prepaid Expenses and Other Assets [Abstract]
Prepaid insurance	$ 25,198	$ 31,716
Lot option and escrow deposits	41,190	48,354
Performance deposits	12,648	12,626
Restricted cash	18,803	11,768
Multi-family rental properties under construction	98,006	56,615
Mortgage loans held for investment at fair value	20,559	18,875
Mortgage loans held for investment at amortized cost	6,971	6,574
Mortgage servicing rights	26,631	24,164
Derivative assets	3,834	1,958
Other assets and prepaid expenses	33,608	37,885
Total prepaid expenses and other assets	$ 287,448	$ 250,535