Contingencies (Narrative) (Details) $ in Thousands	3 Months Ended	12 Months Ended	135 Months Ended	219 Months Ended	255 Months Ended
	Mar. 31, 2023 USD ($) claim	Dec. 31, 2022 claim	Mar. 31, 2023 USD ($) claim	Mar. 31, 2023 USD ($) claim	Mar. 31, 2023 USD ($) claim	Dec. 31, 2021 claim
Loss Contingencies [Line Items]
Number of pending claims	3,597		3,597	3,597	3,597
Subsidiaries | Brandon Drying Fabrics, Inc.
Loss Contingencies [Line Items]
Number of pending claims	7,709		7,709	7,709	7,709
Resolution costs paid by insurance carrier				100.00%
New claims			12
Loss contingency, damages paid, value | $					$ 15,000
Asbestos Issue
Loss Contingencies [Line Items]
Number of pending claims	3,597	3,598	3,597	3,597	3,597	3,609
Total resolved claims, by means of settlement or dismissal	38,028		38,028	38,028	38,028
Total cost of resolution | $	$ 10,600		$ 10,600	$ 10,600	$ 10,600
Resolution costs paid by insurance carrier	100.00%
Confirmed insurance coverage | $	$ 140,000		$ 140,000	$ 140,000	$ 140,000
New claims	3	32