Note 15 - Stock-based Compensation (Tables)

3 Months Ended

Mar. 31, 2020

Notes Tables

Share-based Payment Arrangement, Activity [Table Text Block]

	Three Months Ended
	March 31,
	2020		2019
	(Dollars in thousands)
Stock option grants expense	$	495	$	255
Restricted stock awards expense		1,517		911
Performance share units expense		2,428		3,085
Total stock-based compensation	$	4,440	$	4,251

Share-based Payment Arrangement, Performance Shares, Outstanding Activity [Table Text Block]

				Threshold Goal		Target Goal		Maximum Goal				Maximum		Maximum
Date of Award	Performance Period	Base Period	Base Period Revenues	PSUs	Home Sale Revenues	PSUs	Home Sale Revenues	PSUs	Home Sale Revenues	Fair Value per Share		Potential Expense to be Recognized*		Remaining Expense to be Recognized*
July 25, 2016	July 1, 2016 to June 30, 2019	July 1, 2015 to June 30, 2016	$1.975 billion	137,781	$2.074 billion	275,562	$2.173 billion	551,124	$2.370 billion	$	19.66	$	10,834	$	-
June 20, 2017	April 1, 2017 to March 31, 2020	April 1, 2016 to March 31, 2017	$2.426 billion	144,342	$2.547 billion	288,684	$2.669 billion	577,368	$2.911 billion	$	27.83	$	16,070	$	-
May 23, 2018	April 1, 2018 to March 31, 2021	April 1, 2017 to March 31, 2018	$2.543 billion	145,800	$2.670 billion	291,600	$2.797 billion	583,200	$3.052 billion	$	25.57	$	14,915	$	7,641
August 5, 2019	January 1, 2019 to December 31, 2021	January 1, 2018 to December 31, 2018	$2.982 billion	135,000	$3.131 billion	270,000	$3.280 billion	540,000	$3.578 billion	$	32.60	$	17,604	$	17,604