Leases (Components of our right-of-use assets) (Details) $ in Thousands	Jun. 30, 2019 USD ($)
Finance leases
Buildings and Improvements	$ 110,096
Furniture and equipment	36,304
Rental trailers and other rental equipment	129,826
Rental trucks	1,813,633
Right-of-use assets, gross	2,089,859
Less: Accumulated depreciation	(719,452)
Right of use assets, net	1,370,407
Finance Leases
Finance leases
Buildings and Improvements	0
Furniture and equipment	36,304
Rental trailers and other rental equipment	129,826
Rental trucks	1,813,633
Right-of-use assets, gross	1,979,763
Less: Accumulated depreciation	(714,740)
Right of use assets, net	1,265,023
Operating leases
Finance leases
Buildings and Improvements	110,096
Furniture and equipment	0
Rental trailers and other rental equipment	0
Rental trucks	0
Right-of-use assets, gross	110,096
Less: Accumulated depreciation	(4,712)
Right of use assets, net	$ 105,384