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Income Taxes | 9 Months Ended
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Sep. 30, 2021
Income Tax Disclosure [Abstract] |
Income Taxes | Income Taxes The Company adjusts its effective tax rate each quarter to be consistent with the estimated annual effective tax rate. The Company also records the tax effect of unusual or infrequently occurring discrete items. The provision for income taxes is shown in the tables below:
| Three Months Ended September 30
| 2021 |  | 2020
Income tax expense | $ | 1,913 |  |  | $ | 14,049 |
| Nine Months Ended September 30
| 2021 |  | 2020
Income tax expense | $ | 4,654 |  |  | $ | 10,641 |
Income tax expense decreased $12.1 million to $1.9 million in the third quarter of 2021 as compared to $14.0 million in the third quarter of 2020. The decrease was primarily due to decreases in pre-tax net operating income and effective tax rate. The effective tax rate decrease resulted from an increase of $7.5 million in refunds of 2017 excess deferred income taxes partially offset by a reduction in state tax benefits from repairs deductions. Income tax expense decreased $5.9 million to $4.7 million in the first nine months of 2021 as compared to $10.6 million in the first nine months of 2020. The decrease was due to a decrease in the effective tax rate from an increase of $7.5 million in refunds of 2017 excess federal deferred income taxes partially offset by a reduction in state tax benefits from repairs deductions. The Company’s effective tax rate was 4.3% before discrete items as of September 30, 2021 and 11.6% as of September 30, 2020. The decrease in effective tax rate was primary due to an increase in refunds of 2017 excess deferred income taxes partially offset by a reduction in state tax benefits from repairs deductions. The Company had unrecognized tax benefits of approximately $14.9 million and $12.9 million as of September 30, 2021 and 2020, respectively. Included in the balance of unrecognized tax benefits as of September 30, 2021 and 2020, is $3.9 million and $3.5 million, respectively, of tax benefits that, if recognized, would result in an adjustment to the Company’s effective tax rate. The Company does not expect its unrecognized tax benefits to change significantly within the next 12 months.

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- Definition The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32857-109319 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 11.C) -URI http://asc.fasb.org/extlink&oid=122134291&loc=d3e330215-122817 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 17 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32809-109319 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I.5.Q1) -URI http://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32705-109319 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 270 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6424409&loc=d3e44925-109338 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -URI http://asc.fasb.org/topic&trid=2144680 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6424122&loc=d3e41874-109331 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)(2)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
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