Subsequent Events (Details) - Secured Revolving Credit Facility	Oct. 08, 2020 USD ($)	Sep. 30, 2020 USD ($)
Subsequent Event [Line Items]
Maximum borrowing capacity		$ 250,000,000.0
Subsequent Event
Subsequent Event [Line Items]
Maximum borrowing capacity	$ 300,000,000.0
Covenant, liquidity amount, minimum	$ 50,000,000.0
Covenant, interest coverage ratio, minimum	1.00
Covenant, interest collateral ratio, minimum	1.75
Covenant, liquidity amount, minimum, under secondary requirements	$ 100,000,000.0