The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period.

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The amount of the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

+ References

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Subsequent Events (Details) - USD ($) $ in Millions			3 Months Ended	9 Months Ended
Subsequent Events (Details) - USD ($) $ in Millions	Oct. 29, 2021	Oct. 15, 2021	Sep. 30, 2021	Sep. 30, 2021
Subsequent Event [Line Items]
Aggregate principal amount exchanged			$ 46.0
2.50% Convertible notes due 2023 \| Unsecured obligations
Subsequent Event [Line Items]
Aggregate principal amount exchanged			$ 46.0
Shares issued (shares)				0
Subsequent event
Subsequent Event [Line Items]
Shares issued (shares)		657,256
Subsequent event \| Affiliated Entity \| Series A Preferred Stock \| September 2021 Securities Purchase Agreement
Subsequent Event [Line Items]
Sale of stock (shares)	1,318,182
Subsequent event \| 2.50% Convertible notes due 2023 \| Unsecured obligations
Subsequent Event [Line Items]
Aggregate principal amount exchanged		$ 5.0