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Loans - Impaired Loans - Recorded Investment, Unpaid Principal Balance and Related Allowance (Details) - USD ($) $ in Thousands | Mar. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Recorded Investment |  |
With no related allowance recorded | $ 10,993 | $ 7,844
With an allowance recorded | 8,830 | 12,515
Total impaired loans | 19,823 | 20,359
Unpaid Principal Balance |  |
With no related allowance recorded | 13,860 | 9,895
With an allowance recorded | 9,814 | 13,936
Total impaired loans | 23,674 | 23,831
Related Allowance |  |
With an allowance recorded | 222 | 352
Finance Leases Financing Receivable [Member] |  |
Recorded Investment |  |
With no related allowance recorded | 114 |
Unpaid Principal Balance |  |
With no related allowance recorded | 154 |
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate, Owner Occupied General Purpose Loan [Member] |  |
Recorded Investment |  |
With no related allowance recorded | 1,810 | 1,659
With an allowance recorded | 174 | 396
Unpaid Principal Balance |  |
With no related allowance recorded | 2,015 | 1,782
With an allowance recorded | 174 | 396
Related Allowance |  |
With an allowance recorded | 72 | 3
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Owner Occupied Special Purpose Loan [Member] |  |
Recorded Investment |  |
With no related allowance recorded | 516 | 395
Unpaid Principal Balance |  |
With no related allowance recorded | 661 | 530
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate, Non Owner Occupied General Purpose Loan [Member] |  |
Recorded Investment |  |
With no related allowance recorded | 576 | 1,138
With an allowance recorded | 2,968 | 3,098
Unpaid Principal Balance |  |
With no related allowance recorded | 589 | 1,159
With an allowance recorded | 3,951 | 4,038
Related Allowance |  |
With an allowance recorded | 21 | 97
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate, Non Owner Occupied Special Purpose Loan [Member] |  |
Recorded Investment |  |
With no related allowance recorded | 2,960 |
With an allowance recorded |  | 3,099
Unpaid Principal Balance |  |
With no related allowance recorded | 3,575 |
With an allowance recorded |  | 3,575
Related Allowance |  |
With an allowance recorded |  | 139
Residential Portfolio Segment [Member] | Residential Investor Loan [Member] |  |
Recorded Investment |  |
With no related allowance recorded | 337 | 353
With an allowance recorded | 802 | 808
Unpaid Principal Balance |  |
With no related allowance recorded | 450 | 459
With an allowance recorded | 802 | 808
Related Allowance |  |
With an allowance recorded | 4 | 4
Residential Portfolio Segment [Member] | Residential Owner Occupied Loan [Member] |  |
Recorded Investment |  |
With no related allowance recorded | 3,611 | 3,359
With an allowance recorded | 3,440 | 3,676
Unpaid Principal Balance |  |
With no related allowance recorded | 5,192 | 4,882
With an allowance recorded | 3,440 | 3,679
Related Allowance |  |
With an allowance recorded | 42 | 46
Residential Portfolio Segment [Member] | Residential Revolving and Junior Liens Loan [Member] |  |
Recorded Investment |  |
With no related allowance recorded | 961 | 884
With an allowance recorded | 1,423 | 1,357
Unpaid Principal Balance |  |
With no related allowance recorded | 1,087 | 1,003
With an allowance recorded | 1,423 | 1,357
Related Allowance |  |
With an allowance recorded | 71 | 49
Consumer Portfolio Segment [Member] |  |
Recorded Investment |  |
With no related allowance recorded | 5 | 7
With an allowance recorded | 23 | 24
Unpaid Principal Balance |  |
With no related allowance recorded | 6 | 7
With an allowance recorded | 24 | 25
Related Allowance |  |
With an allowance recorded | 12 | 13
Construction Loans | Commercial Real Estate Portfolio Segment [Member] | Construction Real Estate, Other Receivable [Member] |  |
Recorded Investment |  |
With no related allowance recorded | 103 | 49
With an allowance recorded |  | 57
Unpaid Principal Balance |  |
With no related allowance recorded | $ 131 | 73
With an allowance recorded |  | 58
Related Allowance |  |
With an allowance recorded |  | $ 1

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