Note 15 - Leases (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

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

	December 31, 2022			December 31, 2021
	(Dollars in millions)
Operating Leases:
ROU assets	$	29.6		$	27.8
Lease liabilities	$	32.5		$	30.7
Weighted-average remaining lease term (in years)		4.0			4.4
Weighted-average discount rate		2.90	%		2.61	%
Operating cash flows from operating leases	$	11.4		$	9.9
ROU assets obtained in exchange for lease obligations	$	5.9		$	6.0

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

	As of December 31, 2022
	Operating Leases
	(In thousands)
2023	$	10,833
2024	$	8,415
2025	$	5,702
2026	$	4,587
2027	$	2,991
Thereafter	$	1,955
Total lease payments	$	34,483
Less amount of payment representing interest		(1,965	)
Total present value of lease payments	$	32,518