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UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Cash Flows From Operating Activities    
Net income (loss) $ 4,829 $ 2,341
Adjustments to reconcile net income (loss) to net cash provided by operating activities:    
Depreciation 36,634 37,878
Amortization reflected as operating expense 6,853 6,926
Amortization reflected as rent expense 81 258
Bad debt expense 369 420
Stock based compensation expense, net of amount capitalized 2,037 1,566
Waived Management Fee 9,048 9,184
Deferred income taxes (4,336) (2,910)
Net (gain) loss on disposal of equipment (4) (28)
(Gain) loss on investments (33) 120
Net (gain) loss from patronage and equity investments (830) (200)
Amortization of long-term debt issuance costs 1,129 1,202
Accrued interest on long-term debt 296 93
Changes in assets and liabilities:    
Accounts receivable 3,271 1,629
Inventory, net (2,457) 14,188
Income taxes receivable 8,950 0
Other assets (4,076) (190)
Accounts payable 216 (39,399)
Income taxes payable 0 3,523
Deferred lease 736 1,331
Other deferrals and accruals (1,919) (13,194)
Net cash provided by (used in) operating activities 60,860 24,498
Cash Flows From Investing Activities    
Acquisition of property, plant and equipment (24,382) (38,587)
Proceeds from sale of assets 263 117
Cash distributions (contributions) from investments 1 (11)
Sprint expansion 52,000 0
Net cash provided by (used in) investing activities (76,118) (38,481)
Cash Flows From Financing Activities    
Principal payments on long-term debt (12,125) (6,062)
Amounts borrowed under debt agreements 0 25,000
Proceeds from revolving credit facility borrowings 15,000 0
Principal payments on revolving credit facility (15,000) 0
Taxes paid for equity award issuances 1,754 1,226
Proceeds from issuance of common stock 0 5
Net cash provided by (used in) financing activities (13,879) 17,717
Net increase (decrease) in cash and cash equivalents (29,137) 3,734
Cash and cash equivalents, beginning of period 78,585 36,193
Cash and cash equivalents, end of period 49,448 39,927
Cash payments for:    
Interest, net of capitalized interest of $309 and $577, respectively 8,513 8,380
Income taxes paid, net of refunds received (3,439) 0
Capital expenditures payable $ 5,279 $ 6,366