Leases (Components of our right-of-use assets) (Details) $ in Thousands	Dec. 31, 2019 USD ($)
Finance leases
Buildings and Improvements	$ 121,919
Furniture and equipment	27,309
Rental trailers and other rental equipment	117,987
Rental trucks	1,746,036
Right-of-use assets, gross	2,013,251
Less: Accumulated depreciation	(774,804)
Right of use assets, net	1,238,447
Finance Leases
Finance leases
Buildings and Improvements	0
Furniture and equipment	27,309
Rental trailers and other rental equipment	117,987
Rental trucks	1,746,036
Right-of-use assets, gross	1,891,332
Less: Accumulated depreciation	(760,859)
Right of use assets, net	1,130,473
Operating leases
Finance leases
Buildings and Improvements	121,919
Furniture and equipment	0
Rental trailers and other rental equipment	0
Rental trucks	0
Right-of-use assets, gross	121,919
Less: Accumulated depreciation	(13,945)
Right of use assets, net	$ 107,974