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Share-Based Compensation and Other Employee Benefit Plans - Summary of Changes in the Nonvested Restricted Stock Units (Details) - Restricted Stock Units - $ / shares shares in Thousands		12 Months Ended
	Feb. 15, 2022	Dec. 31, 2022
Shares
Nonvested balance at beginning of period (in shares)		886
Granted during the year (in shares)		1,935
Vested during the year (in shares)		(720)
Forfeited during the year (in shares)		(73)
Dividend equivalents adjustment (in shares)		53
Nonvested balance at end of period (in shares)		2,081
Weighted Average Grant-Date Fair Value
Nonvested balance at beginning of period (in dollars per share)		$ 14.80
Granted during the year (in dollars per share)		17.66
Vested during the year (in dollars per share)		15.41
Forfeited during the year (in dollars per share)		16.73
Dividend equivalents adjustment (in dollars per share)		16.82
Nonvested balance at end of period (in dollars per share)		$ 17.23
First Midwest
Weighted Average Grant-Date Fair Value
Share converted (in shares)	700

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Nonvested shares dividend equivalents adjustment.

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The number of new shares issued in the conversion of stock in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "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 equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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