Lease Arrangements - Lessee Operating Lease Balance Sheet Amounts and Lines (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Leases [Line Items]
Operating Leases	$ 17,156
Property, plant and equipment [Member]
Leases [Line Items]
Right-of-Use Assets	14,480	$ 16,262
Accrued and other liabilities [Member]
Leases [Line Items]
Operating Leases	$ 17,156	$ 18,677