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INCOME TAXES | 9 Months Ended
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Sep. 30, 2017
Income Tax Disclosure [Abstract] |
INCOME TAXES | INCOME TAXES The Company's effective income tax rate for the three and nine months ended September 30, 2017 and 2016 was as follows:
|  | Three Months Ended September 30, |  | Nine Months Ended September 30,
|  | 2017 |  | 2016 |  | 2017 |  | 2016
Income tax expense |  | $ | 5,478 |  |  | $ | 5,042 |  |  | $ | 14,543 |  |  | $ | 12,742 |
Income before income tax expense |  | $ | 16,817 |  |  | $ | 15,945 |  |  | $ | 46,192 |  |  | $ | 41,907 |
Effective tax rate |  | 32.6 | % |  | 31.6 | % |  | 31.5 | % |  | 30.4 | %
Discrete period item(s) — impact on effective tax rate: |  |  |  |  |  |  |  |
Windfall tax benefits, net(1) |  | (0.2 | )% |  | (0.4 | )% |  | (0.4 | )% |  | (1.0 | )%
BOLI death benefit income (non-taxable) |  | — | % |  | — | % |  | — | % |  | (0.3 | )%
(1) | Represents the net windfall tax benefits generated upon vesting of share-based awards issued and exercise of stock options that were accounted for within income tax expense on the consolidated statements of income as a discrete period item.
During the three months ended September 30, 2017, the IRS completed its examination of the Company's 2013 and 2014 federal income tax returns that resulted in no material changes to the Company's consolidated financial statements.

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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/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32559-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32718-109319 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32639-109319 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32537-109319 + Details
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