Commitments And Contingencies (Tables)

12 Months Ended

Dec. 31, 2019

Commitments And Contingencies [Abstract]

Lease Standard Impact On Consolidated Balance Sheet

	Balance at		Adjustments		Balance at
	December 31,		Due to		January 1,
	2018		ASC 842		2019
		(audited)
Assets
Operating lease right-of-use assets	$	-	$	60,557	$	60,557
Other assets		365		(365)		-
Liabilities
Accounts payable		196		(196)		-
Operating lease current liabilities		-		17,650		17,650
Operating lease long-term liabilities		-		45,571		45,571
Other liabilities		3,240		(3,240)		-

Components Of Lease Expense

	Year Ended
	December 31, 2019
Lease expense
Operating lease expense	$	20,806
Variable lease expense (1)		824
Total lease expense	$	21,630

(1)Represents amounts incurred in excess of the minimum payments required for the handling and unloading of railcars for a certain land lease, offset by railcar lease abatements provided by the lessor when railcars are out of service during periods of maintenance or upgrade.

Supplemental Cash Flow Information Related To Operating Leases

	Year Ended
	December 31, 2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	21,459
Right-of-use assets obtained in exchange for lease obligations:
Operating leases		11,176
Right-of-use assets and lease obligations derecognized due to lease modifications:
Operating leases		1,726

Supplemental Balance Sheet Information Related To Operating Leases

	December 31, 2019
Weighted average remaining lease term		6.6 years
Weighted average discount rate		5.46%

Schedule of Aggregate Minimum Lease Payments

Year Ending December 31,	Amount
2020	$	18,867
2021		11,008
2022		8,993
2023		5,832
2024		3,955
Thereafter		17,972
Total		66,627
Less: Present value discount		(11,687)
Lease liabilities	$	54,940

Schedule of Aggregate Minimum Lease Payments Under ASC 840

Year Ending December 31,	Amount
2019	$	22,934
2020		16,855
2021		9,194
2022		6,706
2023		2,976
Thereafter		20,041
Total	$	78,706