Significant Accounting Policies and Responsibility for Financial Statements (Details) - USD ($)	1 Months Ended		3 Months Ended		6 Months Ended
	Aug. 31, 2022	Jul. 31, 2021	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Subsequent Event [Line Items]
Payment defaults under agreements			$ 0		$ 0
Dividends declared per common share (dollars per share)		$ 0.3275	$ 0.3475	$ 0.3275	$ 0.6950	$ 0.6550
Forecast
Subsequent Event [Line Items]
Dividends declared per common share (dollars per share)	$ 0.3475