Revenue (Contract Assets and Liabilities) (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Revenue from Contract with Customer [Abstract]
Contract assets	$ 223,000		$ 223,000		$ 446,000
Contract with customer, liability	10,900,000		10,900,000		$ 12,400,000
Contract with customer, liability, revenue recognized	$ 3,800,000	$ 4,300,000	10,400,000	$ 10,900,000
Contract with customer, performance obligation satisfied in previous period			$ 0	$ 0