Land, Property and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Land, Property and Equipment
Land, property and equipment, gross	$ 682,255		$ 678,904
Less accumulated depreciation	(366,363)		(354,992)
Total land, property and equipment, net	315,892		323,912
Capitalized software costs, net	30,700		30,400
Accumulated amortization on the capitalized software costs	27,000		26,300
Amortization expense related to the capitalized software costs	700	$ 1,000
Amount included in accounts payable balances	2,100	$ 2,200
Land
Land, Property and Equipment
Land, property and equipment, gross	3,476		3,476
LNG liquefaction plants
Land, Property and Equipment
Land, property and equipment, gross	94,633		94,633
Station equipment
Land, Property and Equipment
Land, property and equipment, gross	342,557		324,431
Trailers
Land, Property and Equipment
Land, property and equipment, gross	79,536		79,477
Other equipment
Land, Property and Equipment
Land, property and equipment, gross	84,751		101,655
Construction in progress
Land, Property and Equipment
Land, property and equipment, gross	$ 77,302		$ 75,232

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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