Commitments and Contingencies (Narrative) (Details) $ in Thousands	6 Months Ended	12 Months Ended	138 Months Ended	222 Months Ended	258 Months Ended
	Jun. 30, 2023 USD ($) claim	Dec. 31, 2022 claim	Jun. 30, 2023 USD ($) claim	Jun. 30, 2023 USD ($) claim	Jun. 30, 2023 USD ($) claim	Dec. 31, 2021 claim
Loss Contingencies [Line Items]
Number of pending claims	3,601		3,601	3,601	3,601
Subsidiaries | Brandon Drying Fabrics, Inc.
Loss Contingencies [Line Items]
Number of pending claims	7,702		7,702	7,702	7,702
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	3,601	3,598	3,601	3,601	3,601	3,609
Total resolved claims, by means of settlement or dismissal	38,032		38,032	38,032	38,032
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	7	32