Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

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The cash inflow associated with the amount received from entity's raising of capital via private rather than public placement.

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The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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Shareholders' Equity and Regulatory Matters - Additional Information (Details) - USD ($) $ in Millions		2 Months Ended	6 Months Ended	9 Months Ended
	Aug. 27, 2021	Aug. 27, 2021	Jun. 30, 2021	Sep. 30, 2021
Subsidiary Sale Of Stock [Line Items]
Repayments of outstanding indebtedness				$ 32.5
Senior Debt
Subsidiary Sale Of Stock [Line Items]
Repayments of senior debt				$ 19.5
Debt due date				Sep. 10, 2022
Subordinated Debt One
Subsidiary Sale Of Stock [Line Items]
Repayments of subordinated debt				$ 11.0
Debt due date				Jul. 29, 2022
Subordinated Debt Two
Subsidiary Sale Of Stock [Line Items]
Repayments of subordinated debt				$ 2.0
Debt due date				Sep. 27, 2022
Private Placement
Subsidiary Sale Of Stock [Line Items]
Issuance and sale of common stock	2,937,876	2,710,569	227,307
Proceeds from issuance and sale of common stock	$ 70.5	$ 65.1	$ 5.4