Fair Value of Financial Instruments - Level 3 Quantitative Information (Details) |
9 Months Ended | 12 Months Ended |
|---|---|---|
Sep. 30, 2016 |
Dec. 31, 2015 |
|
| Securities available-for-sale [Member] | ||
| Fair Value Inputs, Quantitative Information [Abstract] | ||
| Selling cost | 49.00% | |
| Impaired loans [Member] | ||
| Fair Value Inputs, Quantitative Information [Abstract] | ||
| Selling cost | 8.00% | 6.00% |
| Discount rate | 4.00% | |
| Other real estate owned, net [Member] | ||
| Fair Value Inputs, Quantitative Information [Abstract] | ||
| Selling cost | 6.00% | 6.00% |