Note 8 - Accrued Expenses and Other Liabilities - Changes in Warranty Accrual (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2020		Mar. 31, 2019
Beginning warranty accrual	[1]	$ 7,223
Ending warranty accrual		6,864	[1]	$ 6,945
Home Building Segment [Member]
Beginning warranty accrual		7,195		6,681
Warranty provision		421		427
Warranty payments		(780)		(341)
Ending warranty accrual		6,836		6,767
Fee Building Segment [Member]
Beginning warranty accrual		28		217
Warranty provision		0		9
Warranty payments		0		(48)
Ending warranty accrual		$ 28		$ 178

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