Allowance for Loan Losses - Individual Evaluation of Impaired Loans and Related Allowance (Details) - USD ($) $ in Thousands |
Mar. 31, 2017 |
Dec. 31, 2016 |
|---|---|---|
| Financing Receivable Modifications [Line Items] | ||
| Unpaid Principal Balance, With No Allowance Recorded | $ 11,060 | $ 8,994 |
| Recorded Investment, With No Allowance Recorded | 11,060 | 8,994 |
| Residential Properties | ||
| Financing Receivable Modifications [Line Items] | ||
| Unpaid Principal Balance, With No Allowance Recorded | 5,992 | 6,093 |
| Recorded Investment, With No Allowance Recorded | 5,992 | 6,093 |
| Commercial Real Estate | ||
| Financing Receivable Modifications [Line Items] | ||
| Unpaid Principal Balance, With No Allowance Recorded | 2,109 | 2,148 |
| Recorded Investment, With No Allowance Recorded | 2,109 | 2,148 |
| Commercial and Industrial Loans | ||
| Financing Receivable Modifications [Line Items] | ||
| Unpaid Principal Balance, With No Allowance Recorded | 2,959 | 753 |
| Recorded Investment, With No Allowance Recorded | $ 2,959 | $ 753 |