Employee Benefit Plans (Tables)

3 Months Ended

Dec. 31, 2020

Retirement Benefits [Abstract]

Schedule of net benefit costs

The components of net periodic benefit cost for the plans were as follows:

	Three Months Ended December 31,
	2020		2019
Service cost	$	284	$	261
Interest cost	79		68
Expected return on plan assets	(87)		(30)
Amortization of actuarial losses	264		236
Pension expense for defined benefit plans	$	540	$	535