Fair Value of Financial Instruments - Narrative (Details) - USD ($) |
9 Months Ended | 12 Months Ended |
|---|---|---|
Sep. 30, 2016 |
Dec. 31, 2015 |
|
| Fair Value, Measurements, Nonrecurring [Member] | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Assets fair value adjustments | $ 0 | $ 0 |