Leases (Narrative - Lessee) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Lessee, Lease, Description [Line Items]
Operating Lease, Right-of-Use Asset	$ 26,300
Operating Lease, Liability	27,024
Lease, Cost	$ 7,300
Operating Leases, Rent Expense, Net		$ 7,700	$ 7,300
Minimum [Member]
Lessee, Lease, Description [Line Items]
Lessee, Operating Lease, Renewal Term	1 month
Maximum [Member]
Lessee, Lease, Description [Line Items]
Lessee, Operating Lease, Renewal Term	34 years