Employee Benefit Plans (Detail Textuals) - Pension - USD ($)	1 Months Ended	3 Months Ended
	Sep. 15, 2017	Mar. 31, 2017
Defined Benefit Plan Disclosure
Employer match (as a percent)		3.00%
Defined benefit plan contributions by employer percent		6.00%
Defined benefit plan, minimum required contribution		$ 842,000
Subsequent event
Defined Benefit Plan Disclosure
Contribution to the defined benefit plan for the current plan year	$ 1,200,000