XML 68 R25.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Fair Value Measurements of Assets and Liabilities (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2017
Fair Value Measurements of Assets and Liabilities |
Schedule of assets and liabilities held and their related classifications under the fair value hierarchy | The following is a summary of assets, liabilities and redeemable noncontrolling interests and their related classifications under the fair value hierarchy:
| June 30, 2017
| Total |  | (Level 1) |  | (Level 2) |  | (Level 3)
Assets |  |  |  |  |  |  |
Cash, cash equivalents and restricted cash (1) | $ | 223,138 |  |  | $ | 223,138 |  |  | $ | — |  |  | $ | — |
Marketable securities-short term (2) | 7,165 |  |  | — |  |  | 7,165 |  |  | — |
Marketable securities-long term (2) | 1,193 |  |  | — |  |  | 1,193 |  |  | — |
Total assets | $ | 231,496 |  |  | $ | 223,138 |  |  | $ | 8,358 |  |  | $ | — |
Liabilities |  |  |  |  |  |  |
Contingent interest derivative (3) | $ | 288 |  |  | $ | — |  |  | $ | — |  |  | $ | 288 |
Contingent consideration obligation | 2,831 |  |  | — |  |  | — |  |  | 2,831 |
Total liabilities | $ | 3,119 |  |  | $ | — |  |  | $ | — |  |  | $ | 3,119 |
Temporary Equity |  |  |  |  |  |  |
Redeemable noncontrolling interests (4) | $ | 25,280 |  |  | $ | — |  |  | $ | — |  |  | $ | 25,280 |
Total temporary equity | $ | 25,280 |  |  | $ | — |  |  | $ | — |  |  | $ | 25,280 |
| December 31, 2016 (Restated)
| Total |  | (Level 1) |  | (Level 2) |  | (Level 3)
Assets |  |  |  |  |  |  |
Cash, cash equivalents and restricted cash (1) | $ | 211,433 |  |  | $ | 211,433 |  |  | $ | — |  |  | $ | — |
Marketable securities-short term (2) | 12,506 |  |  | — |  |  | 12,506 |  |  | — |
Marketable securities-long term (2) | 2,974 |  |  | — |  |  | 2,974 |  |  | — |
Total assets | $ | 226,913 |  |  | $ | 211,433 |  |  | $ | 15,480 |  |  | $ | — |
Liabilities |  |  |  |  |  |  |
Contingent consideration obligation | $ | 2,833 |  |  | $ | — |  |  | $ | — |  |  | $ | 2,833 |
Total liabilities | $ | 2,833 |  |  | $ | — |  |  | $ | — |  |  | $ | 2,833 |
Temporary Equity |  |  |  |  |  |  |
Redeemable noncontrolling interests (4) | $ | 25,280 |  |  | $ | — |  |  | $ | — |  |  | $ | 25,280 |
Total temporary equity | $ | 25,280 |  |  | $ | — |  |  | $ | — |  |  | $ | 25,280 |
(1) | Cash equivalents primarily included money market funds.
(2) | Marketable securities is comprised of municipal bonds and certificates of deposit.
(3) | Contingent interest derivative related to convertible debt is included in accrued expenses, for further details see Note 7 - Debt.
(4) | Put arrangements held by the noncontrolling interests in certain of the Company’s joint ventures. During the six months ended June 30, 2017, the carrying amount of the redeemable noncontrolling interests was greater than the fair value and accordingly no adjustment to the carrying value was recorded.
Schedule of estimated fair value of investments classified as available for sale | At June 30, 2017 and December 31, 2016, the estimated fair value of investments classified as available-for-sale, were as follows:
| June 30, 2017
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
Marketable securities: |  |  |  |  |  |  |
Certificates of deposit | 450 |  |  | — |  |  | — |  |  | 450 |
Municipal bonds | 7,914 |  |  | 1 |  |  | (7 | ) |  | 7,908 |
Total marketable securities | $ | 8,364 |  |  | $ | 1 |  |  | $ | (7 | ) |  | $ | 8,358 |
As of June 30, 2017, an insignificant amount of accumulated unrealized losses related to investments that have been in a continuous unrealized loss position for 12 months or longer. The aggregate related fair value of investment with unrealized losses was approximately $6.8 million.
| December 31, 2016 (Restated)
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
Marketable securities: |  |  |  |  |  |  |
Certificates of deposit | 450 |  |  | — |  |  | — |  |  | 450 |
Municipal bonds | 15,063 |  |  | 1 |  |  | (34 | ) |  | 15,030 |
Total marketable securities | $ | 15,513 |  |  | $ | 1 |  |  | $ | (34 | ) |  | $ | 15,480 |
Expected maturities | ontractual maturities of marketable debt securities are as follows:
| June 30, 2017
| Amortized Cost |  | Fair Value
Due within one year | $ | 7,169 |  |  | $ | 7,165 |
Due after 1 year through 5 years | 1,195 |  |  | 1,193 |
Total available-for-sale securities | $ | 8,364 |  |  | $ | 8,358 |
Redeemable Noncontrolling Interests |
Fair Value Measurements of Assets and Liabilities |
Schedule of changes in fair value of Level 3 | The changes in redeemable noncontrolling interests classified as Level 3 measurements were as follows:
Balance at December 31, 2016 (Restated) | $ | 25,280 |
Fair value adjustment | 5,704 |
Net loss attributable to interests in subsidiaries | (5,704 | )
Balance at June 30, 2017 | $ | 25,280 |
Contingent Consideration Obligation |
Fair Value Measurements of Assets and Liabilities |
Schedule of changes in fair value of Level 3 | The changes in fair value of the Company’s Level 3 contingent consideration obligation during the six months ended June 30, 2017 were as follows:
Balance at December 31, 2016 (Restated) | $ | 2,833 |
Fair value adjustment to contingent consideration obligation included in net income | (2 | )
Balance at June 30, 2017 | $ | 2,831 |

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the fair value measurement of liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and gains or losses recognized in other comprehensive income (loss) and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs) by class of liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19279-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments. + References No definition available. + Details
Name: | us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value. + References No definition available. + Details
Name: | us-gaap_ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19190-110258 + Details
Name: | us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | dei_LegalEntityAxis=sncr_RedeemableNoncontrollingInterestMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByLiabilityClassAxis=us-gaap_CommitmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |