Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2018

Commitments and Contingencies Disclosure [Abstract]

Schedule of Lease Income and Rental Expense From Operating Leases

Lease income from operating leases (with the Company as lessor) to customers (including month-to-month and per diem leases) and rental expense for the Rail Group operating leases (with the Company as lessee) were as follows:

	Year ended December 31,
(in thousands)	2018		2017		2016
Rental and service income - operating leases	$	96,036	$	90,333	$	95,254
Rental expense	$	15,702	$	16,459	$	16,723

Schedule of Operating Lases Future Minimum Rentals and Service Income

Future minimum rentals and service income for all noncancelable Rail operating leases on transportation assets are as follows:

(in thousands)	Future Rental and Service Income - Operating Leases		Future Minimum Rental Payments
Year ended December 31,
2019	$	84,984	$	11,178
2020	56,239		8,206
2021	38,139		7,259
2022	23,590		4,338
2023	13,871		3,263
Future years	29,202		8,048
	$	246,025	$	42,292