Business Segments - Reconciliation of Operating Profit (Loss) from Segments to Consolidated (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Income from operations:
Operating (loss) income	$ (7,206)	$ 4,471
Other income - net	1,550	3,075
(Loss) income from continuing operations before income taxes	(8,996)	4,590
Assets:
Segment Assets	365,310	342,595
Depreciation/Amortization:
Depreciation/Amortization	14,779	13,887
Expenditures for Long-Lived Assets:
Expenditures for Long-Lived Assets	7,633	4,620
Operating Segments
Income from operations:
Operating (loss) income	2,322	13,308
Interest expense - net	(3,340)	(2,956)
Other income - net	1,550	3,075
Corporate expense and other unallocated charges	(9,528)	(8,837)
(Loss) income from continuing operations before income taxes	(8,996)	4,590
Assets:
Segment Assets	335,225	278,725
Depreciation/Amortization:
Depreciation/Amortization	13,284	12,543
Expenditures for Long-Lived Assets:
Expenditures for Long-Lived Assets	4,318	3,600
Unallocated corporate assets
Assets:
Segment Assets	30,085	63,870
Depreciation/Amortization:
Depreciation/Amortization	1,495	1,344
Expenditures for Long-Lived Assets:
Expenditures for Long-Lived Assets	$ 3,315	$ 1,020