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Loans - Impaired Loans - Recorded Investment, Unpaid Principal Balance and Related Allowance (Details) - USD ($) $ in Thousands | Jun. 30, 2018 | Dec. 31, 2017
--- | --- | ---
Recorded Investment |  |
With no related allowance recorded | $ 6,941 | $ 14,855
With an allowance recorded | 8,884 | 5,257
Total impaired loans | 15,825 | 20,112
Unpaid Principal Balance |  |
With no related allowance recorded | 8,951 | 17,792
With an allowance recorded | 9,360 | 5,257
Total impaired loans | 18,311 | 23,049
Related Allowance |  |
With an allowance recorded | 498 | 144
Lease financing receivables |  |
Recorded Investment |  |
With no related allowance recorded |  | 178
Unpaid Principal Balance |  |
With no related allowance recorded |  | 213
Real estate - commercial | Owner occupied general purpose |  |
Recorded Investment |  |
With no related allowance recorded | 911 | 455
Unpaid Principal Balance |  |
With no related allowance recorded | 985 | 495
Real estate - commercial | Owner occupied special purpose |  |
Recorded Investment |  |
With no related allowance recorded | 426 | 342
Unpaid Principal Balance |  |
With no related allowance recorded | 546 | 498
Real estate - commercial | Non-owner occupied general purpose |  |
Recorded Investment |  |
With no related allowance recorded | 39 | 1,163
Unpaid Principal Balance |  |
With no related allowance recorded | 81 | 1,538
Real estate - commercial | Non-owner occupied special purpose |  |
Recorded Investment |  |
With an allowance recorded | 3,099 |
Unpaid Principal Balance |  |
With an allowance recorded | 3,575 |
Related Allowance |  |
With an allowance recorded | 419 |
Real estate - commercial | Retail properties |  |
Recorded Investment |  |
With no related allowance recorded |  | 1,081
Unpaid Principal Balance |  |
With no related allowance recorded |  | 1,177
Real estate - residential | Investor |  |
Recorded Investment |  |
With no related allowance recorded | 371 | 372
With an allowance recorded | 815 | 829
Unpaid Principal Balance |  |
With no related allowance recorded | 468 | 676
With an allowance recorded | 815 | 829
Related Allowance |  |
With an allowance recorded | 10 | 10
Real estate - residential | Multifamily |  |
Recorded Investment |  |
With no related allowance recorded |  | 4,723
Unpaid Principal Balance |  |
With no related allowance recorded |  | 4,965
Real estate - residential | Owner occupied |  |
Recorded Investment |  |
With no related allowance recorded | 4,244 | 5,208
With an allowance recorded | 3,646 | 3,443
Unpaid Principal Balance |  |
With no related allowance recorded | 5,769 | 6,680
With an allowance recorded | 3,646 | 3,443
Related Allowance |  |
With an allowance recorded | 45 | 43
Real estate - residential | Revolving and junior liens |  |
Recorded Investment |  |
With no related allowance recorded | 741 | 1,125
With an allowance recorded | 1,321 | 985
Unpaid Principal Balance |  |
With no related allowance recorded | 860 | 1,313
With an allowance recorded | 1,321 | 985
Related Allowance |  |
With an allowance recorded | 24 | 91
Consumer |  |
Recorded Investment |  |
With no related allowance recorded | 16 | 7
With an allowance recorded | 3 |
Unpaid Principal Balance |  |
With no related allowance recorded | 16 | 8
With an allowance recorded | 3 |
Construction Loans | Real estate - commercial | All other |  |
Recorded Investment |  |
With no related allowance recorded | 193 | 201
Unpaid Principal Balance |  |
With no related allowance recorded | $ 226 | $ 229

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