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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2018
Income Tax Disclosure [Abstract] |
Summary of Provision for Income Taxes | The following table summarizes the provision for income taxes:
| Year Ended December 31, |  |  |  |
| 2018 |  | 2017 |  | 2016
| (in thousands) |  |  |  |
Current: |  |  |  |  |
Federal | $ | 23,407 |  | $ | 35,673 |  | $ | 33,032
State | 5,992 |  | 7,179 |  | 6,958
| 29,399 |  | 42,852 |  | 39,990
Deferred: |  |  |  |  |
Federal | (9,526) |  | 2,924 |  | 2,163
State | (3,487) |  | (1,037) |  | 838
| (13,013) |  | 1,887 |  | 3,001
Tax provision | $ | 16,386 |  | $ | 44,739 |  | $ | 42,991
Significant Components of Federal and State Deferred Tax Assets and Liabilities | Significant components of the Company’s federal and state deferred tax asset and liability balances are as follows:
| Year Ended December 31, |  |
| 2018 |  | 2017
| (in thousands) |  |
Deferred tax assets: |  |  |
Allowance for doubtful accounts | $ | 14,599 |  | $ | 3,109
Deferred compensation | 7,350 |  | 6,601
Accrued insurance claims | 3,715 |  | 3,665
Non-deductible reserves | 336 |  | 567
Amortization of intangibles | 24 |  | 162
Other | 1,730 |  | 662
| 27,754 |  | 14,766
Deferred tax liabilities: |  |  |
Expensing of housekeeping supplies | (4,375) |  | (4,678)
Depreciation of property and equipment | (1,913) |  | (1,745)
Other | (914) |  | (845)
| (7,202) |  | (7,268)
Net deferred tax assets | $ | 20,552 |  | $ | 7,498
Reconciliation of The Provision for Income Taxes | The table below provides a reconciliation between the tax expense computed by applying the statutory federal income tax rate to income before income taxes and the provision for income taxes:
| Year Ended December 31, |  |  |  |
| 2018 |  | 2017 |  | 2016
| (in thousands) |  |  |  |
Income tax expense computed at statutory rate | $ | 20,981 |  | $ | 46,538 |  | $ | 42,136
Increases (decreases) resulting from: |  |  |  |  |
State income taxes, net of federal tax benefit | 1,936 |  | 3,661 |  | 5,064
Federal jobs credits | (5,006) |  | (4,193) |  | (4,550)
Tax exempt interest | (384) |  | (568) |  | (457)
Stock-based compensation | (1,179) |  | (4,632) |  | 653
United States Tax Reform - remeasurement of deferred taxes | — |  | 3,719 |  | —
Other, net | 38 |  | 214 |  | 145
Income tax expense | $ | 16,386 |  | $ | 44,739 |  | $ | 42,991

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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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