Stockholders' Equity - Narrative (Details) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended	12 Months Ended	15 Months Ended
	Sep. 30, 2021 USD ($) financial_institution	Mar. 31, 2020 $ / shares shares	Dec. 31, 2021 shares	Dec. 31, 2021	Sep. 30, 2022 USD ($)
Class of Stock [Line Items]
Sale of stock, number of participating financial institutions | financial_institution	6
Number of shares issued during period | shares		1.7
Number of units redeemed in exchange for common stock (in shares) | shares		1.7
Preferred stock, par value (in usd per share) | $ / shares		$ 1
Percentage of restriction on ownership (more than)				3.90%
ATM Program
Class of Stock [Line Items]
Sale of stock, number of shares issued in transaction (in shares) | shares			2.6
ATM Program | Forecast
Class of Stock [Line Items]
Sale of stock, consideration received on transaction | $					$ 104.0
Compensation to paid with respect to sales | $					$ 1.1
ATM Program | Maximum
Class of Stock [Line Items]
Sale of stock, consideration received on transaction | $	$ 500.0