Leases (Operating and Finance Lease Assets and Liabilities) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Asset, operating	$ 75,174	$ 77,115
Asset, finance	9,261	8,820
Total leased assets	84,435	85,935
Present value of lease liabilities	75,011	76,746
Present value of lease liabilities	9,024	8,230
Total lease liabilities	$ 84,035	$ 84,976