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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2018
Income Tax Disclosure [Abstract] |
Schedule of Components of Income Tax Expense (Benefit) |
|  | Year Ended December 31,
|  | 2018 |  | 2017 |  | 2016
Current: |  |  |  |  |  |  |  |  |
Federal |  | $ | 60,764 |  | $ | 76,966 |  | $ | 64,006
State |  |  | 8,732 |  |  | 8,589 |  |  | 4,831
|  |  | 69,496 |  |  | 85,555 |  |  | 68,837
Deferred: |  |  |  |  |  |  |  |  |
Federal |  |  | (10,708) |  |  | (6,189) |  |  | 7,961
State |  |  | (799) |  |  | 843 |  |  | 891
|  |  | (11,507) |  |  | (5,346) |  |  | 8,852
Tax expense recorded as an increase of paid-in capital |  |  | — |  |  | — |  |  | 9,921
|  | $ | 57,989 |  | $ | 80,209 |  | $ | 87,610
Schedule of Effective Income Tax Rate Reconciliation |
|  | Year Ended December 31, |
|  | 2018 |  | 2017 |  | 2016 |
Statutory U.S. federal income tax rate |  | 21.0 | % | 35.0 | % | 35.0 | %
State income taxes, net of federal tax benefit |  | 4.0 |  | 3.2 |  | 3.2 |
State tax credits, net of federal effect |  | (1.0) |  | (0.7) |  | (1.5) |
Excess tax benefits |  | (3.7) |  | (5.8) |  | — |
Deferred tax revaluation (Federal Rate change) |  | — |  | (3.7) |  | — |
Nondeductible expenses |  | 0.4 |  | — |  | 0.2 |
Other |  | (0.5) |  | 0.3 |  | 0.2 |
Effective income tax rate |  | 20.2 | % | 28.3 | % | 37.1 | %
Schedule of Deferred Tax Assets and Liabilities | Significant components of the Company’s deferred income tax assets and liabilities, included in Deferred income taxes, non-current on the consolidated balance sheets are as follows:
|  | As of December 31,
|  | 2018 |  | 2017
Deferred tax assets: |  |  |  |  |  |
Share-based compensation |  | $ | 3,030 |  | $ | 4,201
Employee compensation |  |  | 780 |  |  | 950
Allowance for doubtful accounts |  |  | — |  |  | 1,685
Deferred tuition revenue |  |  | — |  |  | 1,294
Deferred scholarship |  |  | — |  |  | 618
Intangibles |  |  | — |  |  | 590
State taxes |  |  | 879 |  |  | 985
Other |  |  | 386 |  |  | 526
Deferred tax assets |  |  | 5,075 |  |  | 10,849
Deferred tax liability: |  |  |  |  |  |
Property and equipment |  |  | (10,778) |  |  | (28,028)
Goodwill |  |  | (762) |  |  | (762)
Other |  |  | — |  |  | (421)
Deferred tax liability |  |  | (11,540) |  |  | (29,211)
Net deferred tax liability |  | $ | (6,465) |  | $ | (18,362)
The net deferred tax liability on the accompanying consolidated balance sheet is comprised of the following:
|  | As of December 31,
|  | 2018 |  | 2017
Deferred income taxes, current |  | $ | 1,871 |  | $ | 5,214
Deferred income taxes, non-current |  |  | (8,336) |  |  | (23,576)
Net deferred tax liability |  | $ | (6,465) |  | $ | (18,362)

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- Definition Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319 + Details
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- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319 + Details
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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 + Details
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