Commitments and Contingencies - Asbestos Claimant and Settlement (Details) - Asbestos [Member]	12 Months Ended			30 Months Ended
	Dec. 31, 2020 USD ($) claimants	Dec. 31, 2019 USD ($) claimants	Dec. 31, 2018 USD ($) claimants	Jun. 30, 2020 USD ($) claimants	Dec. 31, 2017 claimants
Loss Contingencies [Line Items]
Number of pending claims filed during period	219	143	171
Number of pending claims dismissed during period	287	172	564
Number of pending claims settled during period	36	32	43
Number of pending claims	4,655	4,759	4,820		5,256
Average settlement amount per claim during period | $	$ 18,314	$ 16,616	$ 7,191
Total defense costs during period | $	$ 2,130,000	$ 2,250,000	$ 2,260,000
Minimum [Member]
Loss Contingencies [Line Items]
Number of pending claims filed during period				143
Total defense costs during period | $				$ 2,200,000
Maximum [Member]
Loss Contingencies [Line Items]
Number of pending claims filed during period				173
Total defense costs during period | $				$ 2,300,000