Employee Benefit Plans Components of Net Periodic Pension Cost (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Components of net periodic pension cost:
Interest cost	$ 1,469	$ 2,509
Expected return on plan assets	(1,133)	(2,068)
Amortization of net (gain) loss	(581)	5,008
Service cost	0	0
Net periodic pension cost	$ (245)	$ 5,449