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CONDENSED CONSOLIDATING FINANCIAL INFORMATION (Statements of Operations) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Revenues: |  |
Total revenues | $ 320,578 | $ 325,392
Costs and expenses: |  |
Lease operating expenses | 19,807 | 18,906
Production taxes | 7,921 | 6,854
Midstream gathering and processing expenses | 70,282 | 64,193
Depreciation, depletion and amortization | 118,433 | 111,018
General and administrative expenses | 11,558 | 13,099
Accretion expense | 1,067 | 1,004
Total costs and expenses | 229,068 | 215,074
(LOSS) INCOME FROM OPERATIONS | 91,510 | 110,318
OTHER (INCOME) EXPENSE: |  |
Interest expense | 34,120 | 33,965
Interest income | (152) | (37)
(Income) loss from equity method investments and investments in subsidiaries | (4,273) | (13,536)
Other income | (427) | (95)
Total other (income) expense | 29,268 | 20,297
INCOME (LOSS) BEFORE INCOME TAXES | 62,242 | 90,021
INCOME TAX EXPENSE | 0 | (69)
NET INCOME (LOSS) | 62,242 | 90,090
Reportable legal entities | Parent |  |
Revenues: |  |
Total revenues | 186,246 | 213,561
Costs and expenses: |  |
Lease operating expenses | 14,893 | 13,831
Production taxes | 3,261 | 4,011
Midstream gathering and processing expenses | 43,299 | 45,666
Depreciation, depletion and amortization | 118,432 | 111,017
General and administrative expenses | 12,232 | 13,811
Accretion expense | 951 | 790
Total costs and expenses | 193,068 | 189,126
(LOSS) INCOME FROM OPERATIONS | (6,822) | 24,435
OTHER (INCOME) EXPENSE: |  |
Interest expense | 34,424 | 34,393
Interest income | (147) | (31)
(Income) loss from equity method investments and investments in subsidiaries | (102,914) | (99,864)
Other income | (427) | (84)
Total other (income) expense | (69,064) | (65,586)
INCOME (LOSS) BEFORE INCOME TAXES | 62,242 | 90,021
INCOME TAX EXPENSE | 0 | (69)
NET INCOME (LOSS) | 62,242 | 90,090
Reportable legal entities | Guarantors |  |
Revenues: |  |
Total revenues | 134,332 | 111,831
Costs and expenses: |  |
Lease operating expenses | 4,914 | 5,075
Production taxes | 4,660 | 2,843
Midstream gathering and processing expenses | 26,983 | 18,527
Depreciation, depletion and amortization | 1 | 1
General and administrative expenses | (675) | (713)
Accretion expense | 116 | 214
Total costs and expenses | 35,999 | 25,947
(LOSS) INCOME FROM OPERATIONS | 98,333 | 85,884
OTHER (INCOME) EXPENSE: |  |
Interest expense | (304) | (428)
Interest income | (5) | (6)
(Income) loss from equity method investments and investments in subsidiaries | 0 | (357)
Other income | 0 | (11)
Total other (income) expense | (309) | (802)
INCOME (LOSS) BEFORE INCOME TAXES | 98,642 | 86,686
INCOME TAX EXPENSE | 0 | 0
NET INCOME (LOSS) | 98,642 | 86,686
Reportable legal entities | Non-Guarantor |  |
Revenues: |  |
Total revenues | 0 | 0
Costs and expenses: |  |
Lease operating expenses | 0 | 0
Production taxes | 0 | 0
Midstream gathering and processing expenses | 0 | 0
Depreciation, depletion and amortization | 0 | 0
General and administrative expenses | 1 | 1
Accretion expense | 0 | 0
Total costs and expenses | 1 | 1
(LOSS) INCOME FROM OPERATIONS | (1) | (1)
OTHER (INCOME) EXPENSE: |  |
Interest expense | 0 | 0
Interest income | 0 | 0
(Income) loss from equity method investments and investments in subsidiaries | 393 | 330
Other income | 0 | 0
Total other (income) expense | 393 | 330
INCOME (LOSS) BEFORE INCOME TAXES | (394) | (331)
INCOME TAX EXPENSE | 0 | 0
NET INCOME (LOSS) | (394) | (331)
Eliminations |  |
Revenues: |  |
Total revenues | 0 | 0
Costs and expenses: |  |
Lease operating expenses | 0 | 0
Production taxes | 0 | 0
Midstream gathering and processing expenses | 0 | 0
Depreciation, depletion and amortization | 0 | 0
General and administrative expenses | 0 | 0
Accretion expense | 0 | 0
Total costs and expenses | 0 | 0
(LOSS) INCOME FROM OPERATIONS | 0 | 0
OTHER (INCOME) EXPENSE: |  |
Interest expense | 0 | 0
Interest income | 0 | 0
(Income) loss from equity method investments and investments in subsidiaries | 98,248 | 86,355
Other income | 0 | 0
Total other (income) expense | 98,248 | 86,355
INCOME (LOSS) BEFORE INCOME TAXES | (98,248) | (86,355)
INCOME TAX EXPENSE | 0 | 0
NET INCOME (LOSS) | $ (98,248) | $ (86,355)

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