Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 214,007	$ 86,655
Accounts receivable (net of allowance of $2,461 and $2,244, respectively)	570,006	562,214
Receivable from affiliates	281	295
Inventories	66,883	49,397
Other current assets	26,403	17,264
Total current assets	877,580	715,825
Property, plant and equipment (net of accumulated depreciation of $721,958 and $607,903, respectively)	3,927,645	3,457,326
Equity method investments	283,638	274,009
Goodwill	338,856	257,302
Other intangible assets (net of accumulated amortization of $125,127 and $90,014, respectively)	444,229	365,038
Other noncurrent assets	151,017	140,807
Right-of-Use Asset, Operating and Finance Leases	89,665	0
Total assets	6,112,630	5,210,307
Current liabilities:
Accounts payable	502,736	494,792
Payable to affiliates	870	3,715
Accrued liabilities	113,693	115,095
Deferred revenue	3,292	11,060
Other current liabilities	12,826	6,495
Long-term debt	15,912	6,000
Total current liabilities	649,329	637,157
Long-term debt	2,477,326	2,278,834
Deferred income taxes	132,980	55,789
Other noncurrent liabilities	141,632	38,548
Commitments and contingencies (Note 8)
Redeemable preferred stock, $0.01 par value, $386,988 liquidation preference (authorized - 4,000 shares; issued - 350 shares)	379,285	359,658
Subsidiary Preferred Stock, Value Outstanding	258,376	0
SemGroup owners’ equity:
Common stock, $0.01 par value (authorized - 190,000 shares; issued - 79,856 and 79,270 shares, respectively)	790	786
Additional paid-in capital	1,409,772	1,615,969
Treasury stock, at cost (277 and 126 shares, respectively)	(1,441)	(705)
Accumulated deficit	(107,859)	(73,971)
Accumulated other comprehensive loss	(53,403)	(51,247)
Total SemGroup Corporation owners’ equity	1,247,859	1,490,832
Stockholders' Equity Attributable to Noncontrolling Interest	825,843	349,489
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	2,073,702	1,840,321
Total liabilities, preferred stock and owners’ equity	$ 6,112,630	$ 5,210,307