Fair Value Measurement - Financial Assets and Liabilities (Details) - Fair Value, Measurements, Recurring [Member] - USD ($) $ in Thousands |
Sep. 30, 2016 |
Dec. 31, 2015 |
| Money Market Funds [Member] |
|
|
| Schedule of financial assets and liabilities measured at fair value on recurring basis |
|
|
| Financial assets and liabilities measured at fair value |
$ 5,627
|
$ 5,627
|
| Money Market Funds [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |
|
|
| Schedule of financial assets and liabilities measured at fair value on recurring basis |
|
|
| Financial assets and liabilities measured at fair value |
5,627
|
5,627
|
| Money Market Funds [Member] | Significant Other Observable Inputs (Level 2) [Member] |
|
|
| Schedule of financial assets and liabilities measured at fair value on recurring basis |
|
|
| Financial assets and liabilities measured at fair value |
0
|
0
|
| Money Market Funds [Member] | Significant Unobservable Inputs (Level 3) [Member] |
|
|
| Schedule of financial assets and liabilities measured at fair value on recurring basis |
|
|
| Financial assets and liabilities measured at fair value |
0
|
0
|
| Commercial Paper [Member] |
|
|
| Schedule of financial assets and liabilities measured at fair value on recurring basis |
|
|
| Financial assets and liabilities measured at fair value |
20,989
|
|
| Commercial Paper [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |
|
|
| Schedule of financial assets and liabilities measured at fair value on recurring basis |
|
|
| Financial assets and liabilities measured at fair value |
0
|
|
| Commercial Paper [Member] | Significant Other Observable Inputs (Level 2) [Member] |
|
|
| Schedule of financial assets and liabilities measured at fair value on recurring basis |
|
|
| Financial assets and liabilities measured at fair value |
20,989
|
|
| Available for sale securities |
1,996
|
|
| Commercial Paper [Member] | Significant Unobservable Inputs (Level 3) [Member] |
|
|
| Schedule of financial assets and liabilities measured at fair value on recurring basis |
|
|
| Financial assets and liabilities measured at fair value |
0
|
|
| Derivative Financial Instruments, Assets [Member] | Interest Rate Swap [Member] |
|
|
| Schedule of financial assets and liabilities measured at fair value on recurring basis |
|
|
| Financial assets and liabilities measured at fair value |
(396)
|
165
|
| Derivative Financial Instruments, Assets [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Interest Rate Swap [Member] |
|
|
| Schedule of financial assets and liabilities measured at fair value on recurring basis |
|
|
| Financial assets and liabilities measured at fair value |
0
|
0
|
| Derivative Financial Instruments, Assets [Member] | Significant Other Observable Inputs (Level 2) [Member] | Interest Rate Swap [Member] |
|
|
| Schedule of financial assets and liabilities measured at fair value on recurring basis |
|
|
| Financial assets and liabilities measured at fair value |
(396)
|
165
|
| Derivative Financial Instruments, Assets [Member] | Significant Unobservable Inputs (Level 3) [Member] | Interest Rate Swap [Member] |
|
|
| Schedule of financial assets and liabilities measured at fair value on recurring basis |
|
|
| Financial assets and liabilities measured at fair value |
0
|
0
|
| Contingent Consideration [Member] |
|
|
| Schedule of financial assets and liabilities measured at fair value on recurring basis |
|
|
| Financial assets and liabilities measured at fair value |
(6,752)
|
(3,770)
|
| Contingent Consideration [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |
|
|
| Schedule of financial assets and liabilities measured at fair value on recurring basis |
|
|
| Financial assets and liabilities measured at fair value |
0
|
0
|
| Contingent Consideration [Member] | Significant Other Observable Inputs (Level 2) [Member] |
|
|
| Schedule of financial assets and liabilities measured at fair value on recurring basis |
|
|
| Financial assets and liabilities measured at fair value |
0
|
0
|
| Contingent Consideration [Member] | Significant Unobservable Inputs (Level 3) [Member] |
|
|
| Schedule of financial assets and liabilities measured at fair value on recurring basis |
|
|
| Financial assets and liabilities measured at fair value |
$ (6,752)
|
$ (3,770)
|