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Retirement Benefit Plans (Details 5) - Pension Benefit [Member]	12 Months Ended
	Dec. 31, 2022 USD ($) integer	Dec. 31, 2021 USD ($) integer
Number of plans | integer	5	5
Projected benefit obligation	$ 80,701,715	$ 107,420,338
Accumulated benefit obligation	80,701,715	107,420,338
Fair value of plan assets	58,527,250	80,814,956
Net amount recognized in accrued benefit liability	$ (22,174,465)	$ (26,605,382)

X

- Definition

Refers to number of defined benefit plans during the period.

+ References

No definition available.

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X

- Definition

Amount of asset (liability), recognized in statement of financial position, for defined benefit pension and other postretirement plans.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount of accumulated benefit obligation for defined benefit plan with accumulated benefit obligation in excess of plan assets.

+ References

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-Publisher FASB
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- Definition

Amount of plan asset for defined benefit plan with accumulated benefit obligation in excess of plan assets.

+ References

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- Definition

Amount of projected benefit obligation for defined benefit pension plan with accumulated benefit obligation in excess of plan assets.

+ References

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