Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018
Supplemental Cash Flow Information [Abstract]
Interest paid	$ 47,164	$ 23,327
Noncash investing and financing activity
Equity issued in conjunction with acquisition	127,841	0
Removal of pre-existing equity method investment	(159,459)	0
Purchase price holdback/ other accrued liabilities	29,956	0
Dividends declared not yet paid	5,547	4,663
Debt resulting from accounting standard adoption	0	36,953
Railcar assets and liabilities resulting from accounting standard adoption	0	25,643
Capital projects incurred but not yet paid	$ 8,245	$ 13,941

Noncash or Part Noncash Acquisition, Noncash Financial or Equity Instrument Consideration Shares Issued, Value

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Fair value at acquisition-date of the equity interest in the acquiree held by the acquirer, immediately before the acquisition date for businesses combined in stages.

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Future cash outflow to pay for purchases of fixed assets that have occurred.

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Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding.

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Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.

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The amount of debt that an Entity assumes in acquiring a business or in consideration for an asset received in a noncash (or part noncash) acquisition. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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The fair value of stock issued in noncash financing activities.

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