Employee Benefit Plans - Restricted Stock Awards (Details) - Restricted Stock - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Shares
Awards outstanding at beginning of year (in shares)	853,726	1,176,951	1,173,045
Granted (in shares)	253,358	332,841	667,752
Vested (in shares)	(719,456)	(656,066)	(631,498)
Forfeited (in shares)			(32,348)
Awards outstanding at end of year (in shares)	387,628	853,726	1,176,951
Grant Date Fair Value
Awards outstanding at beginning of year (in dollars per share)	$ 5.62	$ 6.61	$ 6.81
Granted (in dollars per share)	5.33	3.59	7.06
Vested (in dollars per share)	4.94	6.35	7.52
Forfeited (in dollars per share)			5.41
Awards outstanding at end of year (in dollars per share)	$ 6.70	$ 5.62	$ 6.61
Fair value of awards vested	$ 2.9	$ 2.6	$ 5.4
Compensation cost	2.5	$ 3.3	$ 4.2
Future share-based compensation	$ 1.2
Weighted average vesting period (in years)	7 months 6 days

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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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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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(ii)
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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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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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-Publisher FASB
-Name Accounting Standards Codification
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Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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-Publisher FASB
-Name Accounting Standards Codification
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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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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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Amount of cost expensed and capitalized for award under share-based payment arrangement.

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