Note 13 - Leases (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Operating Lease, Assets and Liabilities, Weighted Average Remaining Terms and Discount Rate [Table Text Block]

	December 31, 2021			December 31, 2020
	(Dollars in millions)
Operating Leases:
ROU assets	$	27.8		$	30.9
Lease liabilities	$	30.7		$	33.5
Weighted-average remaining lease term (in years)		4.4			4.7
Weighted-average discount rate		2.61	%		2.77	%
Operating cash flows from operating leases	$	9.9		$	9.3
ROU assets obtained in exchange for lease obligations	$	6.0		$	5.7

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

	As of December 31, 2021
	Operating Leases
	(In thousands)
2022	$	9,438
2023		8,119
2024		5,689
2025		3,431
2026		2,639
Thereafter		3,248
Total lease payments		32,564
Less amount of payment representing interest		(1,870	)
Total present value of lease payments	$	30,694