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Loans - Impaired Loans - Recorded Investment, Unpaid Principal Balance and Related Allowance (Details) - USD ($) $ in Thousands | Sep. 30, 2017 | Dec. 31, 2016
--- | --- | ---
Recorded Investment |  |
With no related allowance recorded | $ 20,035 | $ 21,238
With an allowance recorded | 51 | 1,049
Total impaired loans | 20,086 | 22,287
Unpaid Principal Balance |  |
With no related allowance recorded | 22,910 | 25,321
With an allowance recorded | 51 | 1,448
Total impaired loans | 22,961 | 26,769
Related Allowance |  |
With an allowance recorded | 6 | 1,049
Commercial |  |
Recorded Investment |  |
With no related allowance recorded | 207 | 240
Unpaid Principal Balance |  |
With no related allowance recorded | 360 | 388
Lease financing receivables |  |
Recorded Investment |  |
With no related allowance recorded | 196 | 366
Unpaid Principal Balance |  |
With no related allowance recorded | 227 | 371
Real estate - commercial | Owner occupied general purpose |  |
Recorded Investment |  |
With no related allowance recorded | 457 | 1,881
Unpaid Principal Balance |  |
With no related allowance recorded | 495 | 2,131
Real estate - commercial | Owner occupied special purpose |  |
Recorded Investment |  |
With no related allowance recorded | 359 | 385
Unpaid Principal Balance |  |
With no related allowance recorded | 509 | 518
Real estate - commercial | Non-owner occupied general purpose |  |
Recorded Investment |  |
With no related allowance recorded | 1,218 | 1,744
With an allowance recorded |  | 246
Unpaid Principal Balance |  |
With no related allowance recorded | 1,592 | 2,010
With an allowance recorded |  | 595
Related Allowance |  |
With an allowance recorded |  | 246
Real estate - commercial | Non-owner occupied special purpose |  |
Recorded Investment |  |
With no related allowance recorded |  | 1,013
Unpaid Principal Balance |  |
With no related allowance recorded |  | 1,649
Real estate - commercial | Retail properties |  |
Recorded Investment |  |
With no related allowance recorded | 1,113 | 1,179
Unpaid Principal Balance |  |
With no related allowance recorded | 1,199 | 1,235
Real estate - residential | Investor |  |
Recorded Investment |  |
With no related allowance recorded | 1,374 | 1,841
Unpaid Principal Balance |  |
With no related allowance recorded | 1,627 | 2,308
Real estate - residential | Multifamily |  |
Recorded Investment |  |
With no related allowance recorded | 4,757 |
Unpaid Principal Balance |  |
With no related allowance recorded | 4,965 |
Real estate - residential | Owner occupied |  |
Recorded Investment |  |
With no related allowance recorded | 8,150 | 9,824
With an allowance recorded |  | 803
Unpaid Principal Balance |  |
With no related allowance recorded | 9,524 | 11,391
With an allowance recorded |  | 853
Related Allowance |  |
With an allowance recorded |  | 803
Real estate - residential | Revolving and junior liens |  |
Recorded Investment |  |
With no related allowance recorded | 1,991 | 2,484
With an allowance recorded | 51 |
Unpaid Principal Balance |  |
With no related allowance recorded | 2,173 | 3,018
With an allowance recorded | 51 |
Related Allowance |  |
With an allowance recorded | 6 |
Consumer |  |
Recorded Investment |  |
With no related allowance recorded | 8 |
Unpaid Principal Balance |  |
With no related allowance recorded | 8 |
Construction Loans | Real estate - commercial | Commercial speculative |  |
Recorded Investment |  |
With no related allowance recorded |  | 74
Unpaid Principal Balance |  |
With no related allowance recorded |  | 81
Construction Loans | Real estate - commercial | All other |  |
Recorded Investment |  |
With no related allowance recorded | 205 | 207
Unpaid Principal Balance |  |
With no related allowance recorded | $ 231 | $ 221

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