Income Taxes Income Tax Provision (Tables)
|
12 Months Ended |
Dec. 31, 2017 |
|---|
| Income Tax Disclosure [Abstract] |
|
| Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] |
The provision for income taxes consists of the following:
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|
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|
|
|
|
|
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|
|
2017 |
|
2016 |
|
2015 |
Current: |
|
|
|
|
|
Federal |
$ |
28,556 |
|
|
$ |
24,139 |
|
|
$ |
8,319 |
|
State |
4,043 |
|
|
3,052 |
|
|
1,242 |
|
|
32,599 |
|
|
27,191 |
|
|
9,561 |
|
Deferred: |
|
|
|
|
|
|
|
Federal |
(12,011 |
) |
|
3,256 |
|
|
12,477 |
|
State |
(457 |
) |
|
269 |
|
|
2,054 |
|
|
(12,468 |
) |
|
3,525 |
|
|
14,531 |
|
|
$ |
20,131 |
|
|
$ |
30,716 |
|
|
$ |
24,092 |
|
|
| Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] |
The historical income tax expense differs from the amounts computed by applying the federal statutory rate of 35.0% to income before income taxes as follows:
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|
2017 |
|
2016 |
|
2015 |
Tax expense at the statutory rate |
$ |
37,608 |
|
|
$ |
20,435 |
|
|
$ |
27,883 |
|
State income taxes, net of federal benefit |
2,339 |
|
|
2,229 |
|
|
2,178 |
|
Non-deductible transaction costs |
— |
|
|
— |
|
|
394 |
|
Share based compensation |
(366 |
) |
|
— |
|
|
— |
|
Incentive stock options |
32 |
|
|
(88 |
) |
|
(120 |
) |
Other permanent differences |
252 |
|
|
474 |
|
|
216 |
|
TQI goodwill impairment |
— |
|
|
8,990 |
|
|
— |
|
Deferred tax asset valuation allowance |
78 |
|
|
(2 |
) |
|
(11 |
) |
Federal qualified property deductions |
(2,075 |
) |
|
(1,311 |
) |
|
(6,066 |
) |
Federal income tax credits |
(58 |
) |
|
— |
|
|
(732 |
) |
Non-taxable acquisitions |
(568 |
) |
|
— |
|
|
— |
|
Rate impact on deferred tax liabilities |
(15,901 |
) |
|
— |
|
|
— |
|
Other |
(1,210 |
) |
|
(11 |
) |
|
350 |
|
|
$ |
20,131 |
|
|
$ |
30,716 |
|
|
$ |
24,092 |
|
|
| Schedule of Deferred Tax Assets and Liabilities [Table Text Block] |
Significant components of the Company’s deferred tax liabilities and assets are as follows:
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|
|
|
|
|
|
|
December 31,
2017 |
|
December 31,
2016 |
Deferred tax assets: |
|
|
|
Accrued expenses |
$ |
7,905 |
|
|
$ |
9,647 |
|
Allowance for doubtful accounts |
777 |
|
|
662 |
|
Share-based compensation |
3,002 |
|
|
5,005 |
|
Accruals for income tax contingencies |
251 |
|
|
252 |
|
Net operating loss carryforwards |
4,733 |
|
|
10,231 |
|
Total deferred tax assets |
16,668 |
|
|
25,797 |
|
Valuation allowance |
(360 |
) |
|
(282 |
) |
Total deferred tax assets, net of valuation allowance |
16,308 |
|
|
25,515 |
|
Deferred tax liabilities: |
|
|
|
Tax over book depreciation |
19,402 |
|
|
29,416 |
|
Intangible assets |
11,108 |
|
|
17,588 |
|
Prepaid expenses deductible when paid |
3,460 |
|
|
4,862 |
|
Goodwill |
11,741 |
|
|
15,520 |
|
Total deferred tax liabilities |
45,711 |
|
|
67,386 |
|
Net deferred tax liabilities |
$ |
(29,403 |
) |
|
$ |
(41,871 |
) |
|
| Summary of Positions for which Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Table Text Block] |
A reconciliation of the beginning and ending amount of unrecognized tax benefit is as follows:
|
|
|
|
|
|
Liability for |
|
Unrecognized Tax |
|
Benefits |
Balance at December 31, 2014 |
771 |
|
Reductions for settlement with state taxing authorities |
(64 |
) |
Additions for tax positions of current year |
66 |
|
Balance at December 31, 2015 |
773 |
|
Reductions for settlement with state taxing authorities |
(247 |
) |
Additions for tax positions of current year |
56 |
|
Balance at December 31, 2016 |
$ |
582 |
|
Reductions for settlement with state taxing authorities |
$ |
(14 |
) |
Additions for tax positions of prior years |
$ |
400 |
|
Additions for tax positions of current year |
$ |
366 |
|
Balance at December 31, 2017 |
$ |
1,334 |
|
|