Leased Property (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Leased Property
Right of use assets - operating	$ 149,556	$ 76,747
Right of use assets - finance	41,393	39,905
Capitalized costs of lessor assets	39,188	41,040
Less: accumulated depreciation	(28,103)	(10,941)
Leased property, net	$ 202,034	$ 146,751