Note 13 - Insurance and Construction Defect Claim Reserves - Summary of Insurance and Defect Claim Reserves Activity (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Balance at beginning of period	$ 55,308	$ 52,686
Expense provisions	2,465	2,304
Cash payments, net of recoveries	(1,554)	(1,595)
Balance at end of period	$ 56,219	$ 53,395