Note 9 - Senior Notes and Unsecured Revolving Credit Facility (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

Schedule of Debt [Table Text Block]

	December 31,
	2020		2019
	(Dollars in thousands)
7.25% Senior Notes due 2025, net	$	244,865	$	—
7.25% Senior Notes due 2022, net		—		304,832
Unsecured revolving credit facility		—		—
Total Indebtedness	$	244,865	$	304,832

Debt Instrument Redemption [Table Text Block]

Year	Redemption Price
2022	103.625%
2023	101.813%
2024	100.000%

Schedule of Maturities of Long-term Debt [Table Text Block]

2021	$	—
2022		—
2023		—
2024		—
2025		250,000
	$	250,000