Note 11 - Disclosures about Fair Value (Tables)

12 Months Ended

Dec. 31, 2015

Fair Value Disclosures [Abstract]

Fair Value, Assets Measured on Recurring Basis [Table Text Block]

		Fair Value at December 31,
Description	Fair Value Hierarchy	2015		2014
		(Dollars in thousands)
Marketable securities, available-for-sale
Municipal debt securities	Level 2	$	9,734	$	—
Metropolitan district bond securities	Level 3	$	9,710	$	—
Mortgage loans held for sale	Level 2	$	328,835	$	176,511

Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block]

		December 31, 2015				December 31, 2014
Description	Fair Value Hierarchy	Carrying Amount		Fair Value		Carrying Amount		Fair Value
		(Dollars in thousands)
Financial services assets:
Mortgage loans held for investment, net	Level 2	$	22,704	$	22,704	$	14,380	$	14,380
Homebuilding liabilities:
Senior and convertible senior notes payable, net	Level 2	$	3,462,016	$	3,675,276	$	2,108,612	$	2,337,839