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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2020 | Mar. 31, 2019
Cash flows from operating activities: |  |
Net loss | $ (434,722) | $ (28,614)
Adjustments to reconcile net loss to net cash provided by operating activities: |  |
Depreciation, depletion, amortization and impairment | 186,797 | 214,410
Impairment of goodwill | 395,060 |
Dry holes and abandonments | 174 | 21
Deferred income tax benefit | (68,194) | (6,604)
Stock-based compensation expense | 9,160 | 9,338
Net gain on asset disposals | (1,239) | (6,545)
Credit loss expense | 1,055 |
Amortization of debt discount and issuance costs | 228 | 221
Changes in operating assets and liabilities: |  |
Accounts receivable | 19,490 | 10,929
Income taxes receivable/payable | (1,978) | (14)
Inventory and other assets | 8,392 | 6,592
Accounts payable | (22,999) | (17,858)
Accrued liabilities | (15,592) | 2,871
Other liabilities | (2,341) | (915)
Net cash provided by operating activities | 73,291 | 183,832
Cash flows from investing activities: |  |
Acquisitions, net of cash acquired |  | (13)
Purchases of property and equipment | (71,928) | (118,341)
Proceeds from disposal of assets and insurance claims | 4,280 | 22,054
Net cash used in investing activities | (67,648) | (96,300)
Cash flows from financing activities: |  |
Purchases of treasury stock | (20,025) | (75,113)
Dividends paid | (7,629) | (8,499)
Net cash provided by financing activities | (27,654) | (83,612)
Effect of foreign exchange rate changes on cash | 26 | (48)
Net increase in cash and cash equivalents | (21,985) | 3,872
Cash and cash equivalents at beginning of period | 174,185 | 245,029
Cash and cash equivalents at end of period | 152,200 | 248,901
Net cash paid during the period for: |  |
Interest, net of capitalized interest of $252 in 2020 and $257 in 2019 | (11,401) | (10,689)
Income taxes | (2) | (15)
Non-cash investing and financing activities: |  |
Net decrease in payables for purchases of property and equipment | (7,365) | (10,764)
Net decrease in deposits on equipment purchases | $ 1,336 | $ 1,535

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- Definition The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585 + Details
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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585 + Details
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- Definition Amount of expense (reversal of expense) for expected credit loss on accounts receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -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=116634182&loc=SL114868664-224227 + Details
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- Definition Amount of noncash expense for share-based payment arrangement. + 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=118932676&loc=d3e3602-108585 + Details
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