Notes Receivable (Details) - Notes Receivable, Seller Obligation [Member] - USD ($)	1 Months Ended	3 Months Ended		8 Months Ended	9 Months Ended
	Feb. 02, 2021	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Debt Instrument, Face Amount		$ 115,000,000.0		$ 115,000,000.0
Amount of notes receivable		75,500,000		$ 75,500,000
Interest rate percentage to record present value of notes receivable				6.58%
Company recorded interest income	$ 400,000	$ 1,200,000	$ 1,100,000	$ 3,100,000	$ 3,400,000