Loans - Schedule of Detail of Loans Modified as Troubled Debt Restructurings (Details) $ in Thousands |
12 Months Ended | |
|---|---|---|
|
Dec. 31, 2017
USD ($)
Loan
|
Dec. 31, 2016
USD ($)
Loan
|
|
| Financing Receivable Modifications [Line Items] | ||
| Number of loans | Loan | 2 | 5 |
| Outstanding recorded investment, pre-modification | $ 1,816 | $ 3,109 |
| Outstanding recorded investment, post-modification | 1,816 | 3,109 |
| Troubled debt restructuring balance | $ 4,500 | $ 3,400 |
| Commercial Real Estate Loans | ||
| Financing Receivable Modifications [Line Items] | ||
| Number of loans | Loan | 1 | |
| Outstanding recorded investment, pre-modification | $ 1,598 | |
| Outstanding recorded investment, post-modification | $ 1,598 | |
| Commercial Loans | ||
| Financing Receivable Modifications [Line Items] | ||
| Number of loans | Loan | 1 | 5 |
| Outstanding recorded investment, pre-modification | $ 218 | $ 3,109 |
| Outstanding recorded investment, post-modification | $ 218 | $ 3,109 |