Effect of new tax regulations on business gain (loss) on sale.

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Income Taxes [Line Items]

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Realized Gains In Accumulated Other Comprehensive Income To Be Released Into Income From Continuing Operations In Future

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Reduction in accumulated other comprehensive income reflected as increase in income from continuing operations.

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- Definition

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Amount recognized for uncertainty in income taxes classified as current.

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Amount of interest expense accrued for an underpayment of income taxes.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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Income Taxes (Narrative) (Details) - USD ($)	12 Months Ended
Income Taxes (Narrative) (Details) - USD ($)	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Taxes [Line Items]
U.S. statutory federal income tax rate		21.00%
Valuation allowance		$ 0	$ 0
Income recognized in continuing operations related to non-segment income		9,200,000	14,800,000	$ 9,200,000
Liability for uncertain tax positions		0	0	0
Release the remaining of liability due to expiration of statute of limitations		400,000	1,700,000	$ 0
Release of accrued interest due to expiration of statute of limitations		100,000	300,000
Scenario Forecast [Member]
Income Taxes [Line Items]
Release the remaining of liability due to expiration of statute of limitations	$ 900,000
Accumulated Other Comprehensive Income (Loss), net of tax [Member]
Income Taxes [Line Items]
Realized Gains In Accumulated Other Comprehensive Income To Be Released Into Income From Continuing Operations In Future		11,600,000
Chaucer [Member] \| Federal [Member]
Income Taxes [Line Items]
Additional income tax incurred in sales of business as result from effect of tax regulations		$ 1,200,000	$ 1,200,000