Employee Benefit Plans - Summary of Change in Benefit Obligation (Detail) - USD ($) |
12 Months Ended | |
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Dec. 31, 2019 |
Dec. 31, 2018 |
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Pension Plan [Member] | ||
Change in Projected Benefit Obligation | ||
Benefit obligation at beginning of year | $ 52,197,520 | |
Interest cost | 28,282 | |
Actuarial (gain) loss | 77,121 | |
Settlements | (52,057,333) | |
Benefits paid | (245,590) | |
Supplemental Employee Retirement Plan [Member] | ||
Change in Projected Benefit Obligation | ||
Benefit obligation at beginning of year | $ 9,038,825 | 9,616,702 |
Interest cost | 340,302 | 319,143 |
Actuarial (gain) loss | 712,728 | (540,666) |
Benefits paid | (367,989) | (356,354) |
Benefit obligation at end of year | $ 9,723,866 | $ 9,038,825 |
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- Definition Amount of gain (loss) from change in actuarial assumptions which (increases) decreases benefit obligation of defined benefit plan. Assumptions include, but are not limited to, interest, mortality, employee turnover, salary, and temporary deviation from substantive plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of payment to participant of defined benefit plan which decreases benefit obligation. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of payment, which decreases benefit obligation of defined benefit plan, for irrevocable action relieving primary responsibility for benefit obligation and eliminating risk for obligation and assets used to effect settlement. Transaction constituting settlement includes, but is not limited to, making lump-sum cash payment to participant in exchange for their rights to receive specified benefits and purchasing nonparticipating annuity contract. Excludes decreases to benefit obligation for remeasurement due to settlement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Amount of cost recognized for passage of time related to defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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