Note 5 - Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2020

Notes Tables

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

		Fair Value
Financial Instrument	Hierarchy	March 31, 2020		December 31, 2019
		(Dollars in thousands)
Marketable securities
Equity securities	Level 1	$	43,985	$	56,747
Mortgage loans held-for-sale, net	Level 2	$	133,921	$	197,021

Gain (Loss) on Securities [Table Text Block]

	Three Months Ended
	March 31,
	2020			2019
	(Dollars in thousands)
Net gain (loss) recognized during the period on equity securities	$	(13,268	)	$	4,840
Less: Net gain (loss) recognized during the period on equity securities sold during the period		609			(237	)
Unrealized gain (loss) recognized during the reporting period on equity securities still held at the reporting date	$	(13,877	)	$	4,603

Fair Value of Senior Notes [Table Text Block]

	March 31, 2020				December 31, 2019
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
	(Dollars in thousands)
$250 Million 5.625% Senior Notes due February 2020, net	$	-	$	-	$	249,909	$	250,400
$250 Million 5.500% Senior Notes due January 2024, net		249,060		228,750		249,005		272,083
$300 Million 3.850% Senior Notes due January 2030, net		297,285		270,750		-		-
$500 Million 6.000% Senior Notes due January 2043, net		490,555		466,250		490,508		528,542
Total	$	1,036,900	$	965,750	$	989,422	$	1,051,025