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Employee Benefit Plans (Detail Textuals) - Pension Benefits - USD ($)	6 Months Ended	9 Months Ended
	Jun. 30, 2018	Sep. 30, 2018
Defined Benefit Plan Disclosure
Percentage of employer match		3.00%
Defined benefit plan contributions by employer percent		6.00%
Contribution to defined benefit plan in the second quarter of 2018	$ 1,800,000
Defined benefit plan, minimum required contribution	$ 578,000

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- Definition

Represents Defined Benefit Plan Contributions Minimum Required Contribution.

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No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

+ Details

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- Definition

Amount of discretionary contributions made by an employer to a defined contribution plan.

+ References

No definition available.

+ Details

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X

- Definition

Percentage employer matches of the employee's percentage contribution matched.

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No definition available.

+ Details

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- Definition

Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan.

+ References

No definition available.

+ Details

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- Details

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