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Employee Benefits - Additional Information (Details) - USD ($)	6 Months Ended	29 Months Ended
	Jun. 30, 2018	Jun. 30, 2018
Retirement Benefits [Abstract]
Service costs included in net periodic pension expense		$ 0
Expected long-term rate of return on plan assets	7.50%

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- References

No definition available.

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- Definition

Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan.

+ References

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- Definition

Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.

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