Loans and the Allowance for Loan and Lease Losses (Details) - Purchase credit impaired loans - USD ($) $ in Thousands |
Dec. 31, 2016 |
Dec. 31, 2015 |
| Loans and the Allowance for Loan and Lease Losses (Details) - Purchase credit impaired loans [Line Items] |
|
|
| Total carrying amount |
$ 8,080
|
$ 9,181
|
| Commercial Portfolio Segment [Member] |
|
|
| Loans and the Allowance for Loan and Lease Losses (Details) - Purchase credit impaired loans [Line Items] |
|
|
| Total carrying amount |
7,098
|
7,078
|
| Commercial Real Estate Portfolio Segment [Member] |
|
|
| Loans and the Allowance for Loan and Lease Losses (Details) - Purchase credit impaired loans [Line Items] |
|
|
| Total carrying amount |
982
|
1,775
|
| Construction Loans [Member] |
|
|
| Loans and the Allowance for Loan and Lease Losses (Details) - Purchase credit impaired loans [Line Items] |
|
|
| Total carrying amount |
|
|
| Residential Portfolio Segment [Member] |
|
|
| Loans and the Allowance for Loan and Lease Losses (Details) - Purchase credit impaired loans [Line Items] |
|
|
| Total carrying amount |
|
328
|
| Consumer Portfolio Segment [Member] |
|
|
| Loans and the Allowance for Loan and Lease Losses (Details) - Purchase credit impaired loans [Line Items] |
|
|
| Total carrying amount |
|
|