Prepaid Expenses and Other Assets (Schedule of Prepaid Expenses and Other Assets) (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Prepaid Expenses and Other Assets [Abstract]
Prepaid insurance	$ 28,921	$ 31,716
Lot option and escrow deposits	42,364	48,354
Performance deposits	12,835	12,626
Restricted cash	14,886	11,768
Multi-family rental properties under construction	73,475	56,615
Mortgage loans held for investment at fair value	20,078	18,875
Mortgage loans held for investment at amortized cost	6,420	6,574
Mortgage servicing rights	23,901	24,164
Derivative assets	3,082	1,958
Other assets and prepaid expenses	34,543	37,885
Total prepaid expenses and other assets	$ 260,505	$ 250,535