Leases (Tables)

12 Months Ended

Dec. 31, 2022

Leases [Abstract]

Schedule of Lease Expense, Cash Flow, Operating and Finance Lease Assets and Liabilities, Average Lease Term and Average Discount Rate

Lease expense, cash flow, operating and finance lease assets and liabilities, average lease term and average discount rate are as follows:

Year Ended December 31,	2022			2021
(Dollars in thousands)
Lease Expense
Finance lease expense:
Amortization of right-of-use assets	$	1,040		$	1,325
Interest on lease liabilities		59			82
Operating lease expense		2,601			3,070
Total lease expense	$	3,700		$	4,477
Cash Flow Components
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash outflows from finance leases	$	59		$	82
Operating cash outflows from operating leases		2,738			3,460
Financing cash outflows from finance leases		1,062			1,321
Right-of-use assets obtained in exchange for finance lease liabilities,      net of terminations and disposals		1,249			922
Right-of-use assets obtained in exchange for operating lease liabilities,      net of terminations and disposals		333			416
Year Ended December 31,	2022			2021
(Dollars in thousands, except lease term and discount rate)
Balance Sheet Information
Operating leases:
Other noncurrent assets	$	8,325		$	10,772
Accrued liabilities	$	(2,137	)	$	(2,371	)
Other noncurrent liabilities		(6,516	)		(8,860	)
Total operating lease liabilities	$	(8,653	)	$	(11,231	)
Finance leases:
Property, plant and equipment gross	$	7,899		$	6,603
Accumulated depreciation		(5,684	)		(4,644	)
Property, plant and equipment, net	$	2,215		$	1,959
Current portion of long-term debt	$	(1,053	)	$	(982	)
Long-term debt (less current portion)		(1,673	)		(1,629	)
Total finance lease liabilities	$	(2,726	)	$	(2,611	)
Lease Term and Discount Rates
Weighted-average remaining lease term - finance leases (years)		3.2			3.4
Weighted-average remaining lease term - operating leases (years)		4.2			5.0
Weighted-average discount rate - finance leases		2.7	%		2.8	%
Weighted-average discount rate - operating leases		3.6	%		3.6	%

Schedule of Future Minimum Rental Payments Under Finance and Operating Leases

Summarized future minimum payments under our leases are as follows:

Year Ended December 31,	Amount
(Dollars in thousands)
Lease Maturities	Finance Leases			Operating Leases
2023	$	1,053		$	2,250
2024		993			2,199
2025		411			2,044
2026		167			1,886
2027		104			870
Thereafter		101			43
Total		2,829			9,292
Less: Imputed interest		(103	)		(639	)
Total lease liabilities, net of interest	$	2,726		$	8,653