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Discontinued Operations (Tables) | 12 Months Ended
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Dec. 31, 2016
Discontinued Operations and Disposal Groups [Abstract] |
Summary of Financial Information for Discontinued Operations | The following represents a reconciliation of the major classes of line items constituting income from discontinued operations primarily related to Quanta’s fiber optic licensing operations to the consolidated statements of operations (in thousands):
|  | Year Ended December 31, |
|  | 2016 |  |  | 2015 |  |  | 2014 |
Major classes of line items constituting pretax income from discontinued operations: |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  | $ | — |  |  | $ | 59,998 |  |  | $ | 104,021 |
Expenses: |  |  |  |  |  |  |  |  |  |  |  |
Cost of services (including depreciation) |  |  | — |  |  |  | 24,748 |  |  |  | 39,295 |
Selling, general and administrative expenses |  |  | (980 | ) |  |  | 12,047 |  |  |  | 16,561 |
Amortization of intangible assets |  |  | — |  |  |  | 963 |  |  |  | 1,650 |
Other income (expense) items that are not major |  |  | — |  |  |  | 10 |  |  |  | 3 |
Net income before taxes of discontinued operations related to fiber optic licensing operations related to major classes of income before taxes |  |  | 980 |  |  |  | 22,250 |  |  |  | 46,518 |
Pretax gain on the disposal of the fiber optic licensing operations |  |  | — |  |  |  | 271,833 |  |  |  | — |
Total pretax gain on fiber optic licensing operations |  |  | 980 |  |  |  | 294,083 |  |  |  | 46,518 |
Provision for income taxes related to fiber optic licensing operations |  |  | 667 |  |  |  | 103,462 |  |  |  | 18,401 |
Net income from discontinued operations related to fiber optic licensing operations |  |  | 313 |  |  |  | 190,621 |  |  |  | 28,117 |
Net loss from discontinued operations related to telecommunication operations |  |  | (655 | ) |  |  | — |  |  |  | (627 | )
Net income (loss) from discontinued operations as presented in the consolidated statements of operations |  | $ | (342 | ) |  | $ | 190,621 |  |  | $ | 27,490 |
There were no assets or liabilities associated with fiber optic licensing operations at December 31, 2016 and no assets or non-current liabilities at December 31, 2015. The following represents a reconciliation of the carrying amounts of major classes of assets and liabilities of discontinued operations to the consolidated balance sheet at December 31, 2015 (in thousands):
|  | December 31, 2015 |
Carrying amounts of major classes of current liabilities of discontinued operations related to fiber optic licensing operations: |  |  |  |
Current liabilities: |  |  |  |
Accounts payable and accrued expenses |  | $ | 15,313 |
Total current liabilities of discontinued operations as presented in the consolidated balance sheets |  | $ | 15,313 |

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- Definition Tabular disclosure of information related to a disposal group. Includes, but is not limited to, a discontinued operation, disposal classified as held-for-sale or disposed of by means other than sale or disposal of an individually significant component. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=65878427&loc=SL51721533-107759 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721665-107760 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=64827811&loc=d3e1474-107760 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=64827811&loc=d3e1361-107760 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721683-107760 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3A -URI http://asc.fasb.org/extlink&oid=64862545&loc=SL51724579-110230 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5C -URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721675-107760 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 4A -URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721663-107760 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=64862545&loc=d3e2941-110230 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5B -URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721673-107760 Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 3A -URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721659-107760 Reference 12: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5A -URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721671-107760 Reference 13: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5D -URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721677-107760 + Details
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