Note 8 - Accrued Expenses and Other Liabilities - Changes in Warranty Accrual (Details) - USD ($) $ in Thousands		3 Months Ended			6 Months Ended
		Jun. 30, 2020		Jun. 30, 2019	Jun. 30, 2020		Jun. 30, 2019
Beginning warranty accrual	[1]				$ 7,223
Ending warranty accrual		$ 6,740	[1]	$ 7,049	6,740	[1]	$ 7,049
Ending warranty accrual		6,740	[1]	7,049	7,223	[1]	7,049
Home Building Segment [Member]
Beginning warranty accrual		6,836		6,767	7,195		6,681
Warranty provision		357		627	778		1,054
Warranty payments		(481)		(581)	(1,261)		(922)
Adjustment to warranty accrual	[2]	0		94	0		94
Ending warranty accrual		6,712		6,907	6,712		6,907
Ending warranty accrual		6,712		6,907	6,712		6,907
Fee Building Segment [Member]
Beginning warranty accrual		28		178	28		217
Warranty provision		0		0	0		9
Warranty payments		0		(18)	0		(66)
Adjustment to warranty accrual	[2]	0		(18)	0		(18)
Ending warranty accrual		28		142	28		142
Ending warranty accrual		$ 28		$ 142	$ 28		$ 142

[1] Included in the amount at June 30, 2020 and December 31, 2019 is approximately $1.8 million and $1.9 million, respectively, of warranty liabilities estimated to be recovered by our insurance policies.

[2] During the 2019 second quarter, we recorded an adjustment of $0.1 million to our warranty accrual for homebuilding projects due to higher expected warranty expenditures which is included in "Adjustment to warranty accrual" above and resulted in an increase of the same amount to cost of home sales in the accompanying condensed consolidated statement of operations. Also during the 2019 second quarter, the Company recorded an adjustment of $18,000 due to lower experience rate of expected warranty expenditures for fee building projects which is included in "Adjustment to warranty accrual for fee building projects" above and resulted in a reduction of the same amount to cost of fee building sales in the accompanying condensed consolidated statement of operations.