Subsequent Events (Details) - USD ($) $ in Millions		12 Months Ended
	Nov. 01, 2021	Sep. 30, 2021	Mar. 15, 2021	Dec. 13, 2019
Subsequent Event [Line Items]
Maximum borrowing capacity				$ 150
Weighted average interest rate on debt		1.34%
Secured Debt [Member]
Subsequent Event [Line Items]
Maximum borrowing capacity				50
Revolving Credit Facility
Subsequent Event [Line Items]
Maximum borrowing capacity			$ 200	$ 100
Subsequent Event
Subsequent Event [Line Items]
Debt Instrument, Interest Rate, Annual Amortization Rate	1.00%
Line of Credit Facility, Expiration Period	7 years
Subsequent Event | Secured Debt [Member]
Subsequent Event [Line Items]
Maximum borrowing capacity	$ 350
Subsequent Event | Revolving Credit Facility
Subsequent Event [Line Items]
Maximum borrowing capacity	35
Subsequent Event | Revolving Credit Facility | Letter of Credit
Subsequent Event [Line Items]
Maximum borrowing capacity	10
Subsequent Event | Revolving Credit Facility | Swingline Subfacility
Subsequent Event [Line Items]
Maximum borrowing capacity	$ 10
Maximum | LIBOR
Subsequent Event [Line Items]
Debt instrument, basis spread on variable rate		3.25%
Maximum | Subsequent Event | LIBOR
Subsequent Event [Line Items]
Debt instrument, basis spread on variable rate	4.00%
Minimum | LIBOR
Subsequent Event [Line Items]
Debt instrument, basis spread on variable rate		1.25%
Minimum | Subsequent Event | LIBOR
Subsequent Event [Line Items]
Debt instrument, basis spread on variable rate	3.75%