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Loans and Credit Quality - Loan Portfolio Segmented by Risk Class (Details) - USD ($) $ in Thousands | Mar. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | $ 971,683 | $ 959,109
Less: Unearned origination fees, net of origination costs | (4,108) | (4,156)
Total loans | 967,575 | 954,953
AQR Pass |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 914,296 | 905,022
AQR Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 20,524 | 18,726
AQR Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 36,794 | 35,361
AQR Doubtful |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 69 |
Commercial |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 316,081 | 313,514
Commercial | AQR Pass |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 278,743 | 277,371
Commercial | AQR Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 6,101 | 4,921
Commercial | AQR Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 31,168 | 31,222
Commercial | AQR Doubtful |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 69 |
Real estate construction one-to-four family |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 30,310 | 31,201
Real estate construction one-to-four family | AQR Pass |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 30,310 | 31,201
Real estate construction one-to-four family | AQR Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 0 | 0
Real estate construction one-to-four family | AQR Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 0 | 0
Real estate construction one-to-four family | AQR Doubtful |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 0 |
Real estate construction other |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 54,947 | 80,093
Real estate construction other | AQR Pass |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 54,947 | 80,093
Real estate construction other | AQR Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 0 | 0
Real estate construction other | AQR Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 0 | 0
Real estate construction other | AQR Doubtful |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 0 |
Real estate term owner occupied |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 132,589 | 132,042
Real estate term owner occupied | AQR Pass |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 125,930 | 127,059
Real estate term owner occupied | AQR Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 2,052 | 2,095
Real estate term owner occupied | AQR Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 4,607 | 2,888
Real estate term owner occupied | AQR Doubtful |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 0 |
Real estate term non-owner occupied |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 339,621 | 319,313
Real estate term non-owner occupied | AQR Pass |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 328,144 | 307,780
Real estate term non-owner occupied | AQR Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 11,000 | 11,051
Real estate term non-owner occupied | AQR Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 477 | 482
Real estate term non-owner occupied | AQR Doubtful |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 0 |
Real estate term other |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 56,294 | 40,411
Real estate term other | AQR Pass |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 55,081 | 39,777
Real estate term other | AQR Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 1,213 | 634
Real estate term other | AQR Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 0 | 0
Real estate term other | AQR Doubtful |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 0 |
Consumer secured by 1st deeds of trust |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 21,896 | 22,616
Consumer secured by 1st deeds of trust | AQR Pass |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 21,227 | 21,846
Consumer secured by 1st deeds of trust | AQR Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 138 | 3
Consumer secured by 1st deeds of trust | AQR Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 531 | 767
Consumer secured by 1st deeds of trust | AQR Doubtful |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 0 |
Consumer other |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 19,945 | 19,919
Consumer other | AQR Pass |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 19,914 | 19,895
Consumer other | AQR Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 20 | 22
Consumer other | AQR Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | 11 | $ 2
Consumer other | AQR Doubtful |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total financing receivables | $ 0 |

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