Fair Value Measurements Financial Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
ASSETS:
Cash, cash equivalents and restricted cash	$ 20,393	$ 21,529
Carrying (Reported) Amount, Fair Value Disclosure [Member]
ASSETS:
Cash, cash equivalents and restricted cash	20,393	21,529
Mortgage loans held for sale	123,909	169,651
Split dollar life insurance policies	206	206
Commitments to extend real estate loans (assets)	1,432	989
LIABILITIES:
Notes payable - homebuilding operations - Fair Value Disclosure	174,300	117,400
Notes Payable - Financial Services Fair Value Disclosure	104,003	153,168
Notes payable - other	5,092	5,938
Senior notes due 2021 (a)	300,000	300,000
Senior notes due 2025 (a)	250,000	250,000
Whole Loan contracts for committed IRLCs and mortgage loans held for sale	116	154
Forward sales of mortgage-backed securities	1,973	3,305
Off-Balance Sheet Letters of Credit	0	0
Estimate of Fair Value, Fair Value Disclosure [Member]
ASSETS:
Cash, cash equivalents and restricted cash	20,393	21,529
Mortgage loans held for sale	123,909	169,651
Split dollar life insurance policies	206	206
Commitments to extend real estate loans (assets)	1,432	989
LIABILITIES:
Notes payable - homebuilding operations - Fair Value Disclosure	174,300	117,400
Notes Payable - Financial Services Fair Value Disclosure	104,003	153,168
Notes payable - other	4,440	5,112
Senior notes due 2021 (a)	304,875	298,500
Senior notes due 2025 (a)	253,750	228,750
Whole Loan contracts for committed IRLCs and mortgage loans held for sale	116	154
Forward sales of mortgage-backed securities	1,973	3,305
Off-Balance Sheet Letters of Credit	$ 1,457	$ 944