Commitments and Contingencies (Narrative) (Details) $ in Thousands	9 Months Ended	12 Months Ended	141 Months Ended	225 Months Ended	261 Months Ended
	Sep. 30, 2023 USD ($) claim	Dec. 31, 2022 claim	Sep. 30, 2023 USD ($) claim	Sep. 30, 2023 USD ($) claim	Sep. 30, 2023 USD ($) claim	Dec. 31, 2021 claim
Loss Contingencies [Line Items]
Number of pending claims	3,604		3,604	3,604	3,604
Subsidiaries | Brandon Drying Fabrics, Inc.
Loss Contingencies [Line Items]
Number of pending claims	7,690		7,690	7,690	7,690
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	3,604	3,598	3,604	3,604	3,604	3,609
Total resolved claims, by means of settlement or dismissal	38,035		38,035	38,035	38,035
Total cost of resolution | $	$ 10,700		$ 10,700	$ 10,700	$ 10,700
Resolution costs paid by insurance carrier	100.00%
Confirmed insurance coverage | $	$ 140,000		$ 140,000	$ 140,000	$ 140,000
New claims	17	32