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Supplemental Cash Flow Information (Tables)
 6 Months Ended
Jun. 30, 2018
Supplemental Cash Flow Elements [Abstract]  
Schedule of Supplemental Cash Flow Information
The following table summarizes supplemental cash flow information for the six months ended June 30, 2018 and 2017 (in thousands):

Six Months Ended June 30,
2018 2017 
Supplemental cash flow information:
Cash payments for interest to third parties$7,481 $3,839 
Cash payments for interest to related parties$— $382 
Non-cash investing and financing activities:
Capital expenditures included in accounts payable and accrued liabilities$6,970 $7,601 
Capital expenditures financed through long-term debt$7,489 $4,522 
Issuance of LLC Units related to business acquisitions$9,981 $— 
Dividend accrued on Class A Convertible Preferred Stock included in accrued liabilities$229 $— 
Tax withholdings related to equity awards included in accounts payable and accrued liabilities$— $299 
Accrual of return on Class C redeemable preferred units$— $9,439 
Conversion of Class C redeemable preferred units to Class A units$— $260,411 
Schedule of Cash, Cash Equivalents and Restricted Cash
The following table provides a reconciliation of cash, cash equivalents and restricted cash reported within the accompanying unaudited condensed consolidated balance sheets that sum to the total of the same amounts shown in the accompanying unaudited condensed consolidated statements of cash flows for all periods presented (in thousands):

June 30, 2018December 31, 2017June 30, 2017December 31, 2016
Cash and cash equivalents$199,192 $172,680 $144,433 $39,184 
Restricted cash (1)
18,356 14,443 10,339 10,266 
Total cash, cash equivalents and restricted cash$217,548 $187,123 $154,772 $49,450 
(1) Amounts included in restricted cash represent the deposit required under the Company's Floor Plan Facility, which is 5% of the outstanding Floor Plan Facility principal balance, as explained in Note 8 — Debt Instruments and amounts held as restricted cash as required under letter of credit agreements, as explained in Note 14 — Commitments and Contingencies. Both amounts are classified as restricted cash in the accompanying unaudited condensed consolidated balance sheets.