Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
CASH FLOWS FROM OPERATING ACTIVITIES:    
Net income (loss) $ 105,938 $ 75,799
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization 68,599 40,211
Deferred income tax expense 30,937 21,592
Provision for bad debt expense 475 0
Amortization of deferred revenue rebate 0 615
Amortization of deferred debt issuance costs 269 191
Stock-based compensation 4,669 2,201
Loss on disposal of assets 50,425 27,804
Changes in operating assets and liabilities:    
Accounts receivable (168,999) (116,843)
Other current assets 596 (383)
Inventories 1,274 (1,559)
Prepaid expenses 1,417 1,708
Accounts payable 42,533 59,109
Accrued and other current liabilities 12,299 12,941
Accrued interest 419 1,056
Net cash provided by operating activities 150,851 124,442
CASH FLOWS FROM INVESTING ACTIVITIES:    
Capital expenditures (325,881) (152,191)
Proceeds from sale of assets 1,547 2,282
Net cash used in investing activities (324,334) (149,909)
CASH FLOWS FROM FINANCING ACTIVITIES:    
Proceeds from borrowings 90,000 57,378
Repayments of borrowings (10,000) (25,230)
Payment of finance lease obligation (123) 0
Repayments of insurance financing (3,890) (3,218)
Payment of debt issuance costs 0 (360)
Proceeds from exercise of equity awards 1,075 51
Net cash provided by financing activities 77,062 28,621
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS (96,421) 3,154
CASH AND CASH EQUIVALENTS - Beginning of period 132,700 23,949
CASH AND CASH EQUIVALENTS - End of period $ 36,279 $ 27,103