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Employee Benefit Plans - Pre-tax amounts recognized in comprehensive loss (Details) - Retirement Income Plan - USD ($)	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Defined Benefit Plan Disclosure [Line Items]
Net loss (gain)	$ 4,169,000	$ (1,217,000)	$ 3,962,000
Amortization of net loss	(808,000)	(986,000)	(919,000)
Net transition obligation (asset)	0	0	0
Settlement Loss	0	(4,660,000)
Amount recognized in accumulated other comprehensive loss	$ (3,361,000)	$ 6,863,000	$ (3,043,000)

X

- Definition

Represents the amortization of net gains or losses that are not yet recognized as a component of net periodic benefit cost, and that are recognized as increases or decreases in other comprehensive income as they arise.

+ References

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Amount, before tax, of accumulated other comprehensive income (loss) for settlement gain (loss) of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit.

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Amount, before tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit).

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- Definition

Amount, before tax, of accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit.

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Amount, before tax, of accumulated other comprehensive income (loss) for transition asset (obligation) of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit.

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