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Stock-Based Compensation Plans Narrative (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Tax benefits as a percentage of compensation expense	17.80%	21.90%	21.40%
Statutory tax rate	21.00%	21.00%	21.00%
Total unrecognized compensation cost	$ 10.8
Weighted average period for recognition of compensation expense	1 year 9 months 18 days
Percentage of fair value at purchase date	85.00%
Discount from market price, purchase date	15.00%
Employee Option Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares reserved for future grants under the stock option and compensation plan	5,000,000
Directors' Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares reserved for future grants under the stock option and compensation plan	46,100
Restricted Stock/RSUs/PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected life of options	3 years	3 years	3 years
Weighted average grant date fair value, options granted (in dollars per share)	$ 14.93	$ 16.94	$ 10.16

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Employee Service Share-based Compensation, Tax Benefit from Compensation Expense, Percent

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Discount rate from fair value on purchase date that participants pay for shares.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

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Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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