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UNAUDITED 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 | $ 27,060 | $ 16,209
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation | 72,737 | 71,637
Amortization | 10,795 | 12,967
Accretion of asset retirement obligations | 708 | 471
Bad debt expense | 764 | 758
Stock based compensation expense, net of amount capitalized | 2,307 | 3,407
Deferred income taxes | 3,434 | (8,004)
Net gain from patronage and investments | (2,081) | (1,576)
Amortization of long-term debt issuance costs | 1,648 | 2,365
Changes in assets and liabilities: |  |
Accounts receivable | (4,561) | (11,060)
Inventory, net | (1,301) | (503)
Current income taxes | 1,138 | 16,722
Operating lease right-of-use assets | 25,389 |
Waived management fee | 19,320 | 18,606
Other assets | (8,679) | (968)
Accounts payable | 6,311 | 2,486
Lease liabilities | (21,880) |
Deferred lease | 0 | 1,353
Other deferrals and accruals | (3,477) | 2,274
Net cash provided by operating activities | 129,632 | 127,144
Cash flows from investing activities: |  |
Capital expenditures | (79,124) | (62,322)
Cash disbursed for acquisitions | (10,000) | (52,000)
Proceeds from sale of assets | 108 | 447
Other | (3) | (3)
Net cash used in investing activities | (89,019) | (113,878)
Cash Flows From Financing Activities |  |
Principal payments on long-term debt | (24,777) | (24,250)
Proceeds from revolving credit facility borrowings | 0 | 15,000
Principal payments on revolving credit facility | 0 | (15,000)
Proceeds from exercises of stock options | 81 | 0
Taxes paid for equity award issuances | (2,912) | (2,032)
Net cash used in financing activities | (27,608) | (26,282)
Net increase (decrease) in cash and cash equivalents | 13,005 | (13,016)
Cash and cash equivalents, beginning of period | 85,086 | 78,585
Cash and cash equivalents, end of period | $ 98,091 | $ 65,569

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- Definition The cash inflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585 + Details
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- Definition The cash inflow from sale of machinery and equipment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3179-108585 + Details
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- Definition Amount of cash inflow from exercise of stock options granted under share-based compensation arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109197908&loc=SL79508275-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585 + Details
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- Definition Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.5) -URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=82913815&loc=SL49130534-203044 + Details
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- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 + Details
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- Definition The cash outflow for the settlement of obligation drawn from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 + Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 + Details
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