Employee Benefit Plans (Accumulated Other Comprehensive Income Next Fixal Year) (Details) $ in Thousands	Dec. 31, 2019 USD ($)
Defined Benefit Plan, Expected Amortization, Next Fiscal Year [Abstract]
Prior service cost	$ 4
Actuarial loss	1,847
Pension Benefits
Defined Benefit Plan, Expected Amortization, Next Fiscal Year [Abstract]
Prior service cost	0
Actuarial loss	1,836
Other Postretirement Benefits
Defined Benefit Plan, Expected Amortization, Next Fiscal Year [Abstract]
Prior service cost	4
Actuarial loss	$ 11