Note 7 - Cash and Equivalents and Restricted Cash (Details Textual) - USD ($)	Jun. 30, 2016	Dec. 31, 2015	Jun. 30, 2015	Dec. 31, 2014
Cash From Home Closings in Escrow [Member]
Cash and Cash Equivalents, at Carrying Value	$ 133,600,000
Held in Cash Collateral Accounts [Member] | Homebuilding [Member]
Restricted Cash and Cash Equivalents	30,800,000
Held in Cash Collateral Accounts [Member] | Financial Services [Member]
Restricted Cash and Cash Equivalents	17,700,000
Financial Service Subsidiary Mortgage Credit Facilities [Member] | Financial Services [Member]
Restricted Cash and Cash Equivalents	3,500,000
Funds Held in Trust for Third Parties [Member] | Financial Services [Member]
Restricted Cash and Cash Equivalents	800,000
Homebuilding [Member]
Cash and Cash Equivalents, at Carrying Value	256,007,000	$ 151,076,000
Restricted Cash and Cash Equivalents	30,833,000	35,990,000
Financial Services [Member]
Cash and Cash Equivalents, at Carrying Value	31,863,000	35,518,000
Restricted Cash and Cash Equivalents	22,008,000	22,914,000
Cash and Cash Equivalents, at Carrying Value	$ 287,870,000	$ 186,594,000	$ 88,313,000	$ 212,393,000