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Loans - Impaired Loans - Average Recorded Investment and Interest Income Recognized (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2018 | Mar. 31, 2017
Average Recorded Investment |  |
With no related allowance recorded | $ 11,282 | $ 19,105
With an allowance recorded | 7,389 | 926
Total impaired loans | 18,671 | 20,031
Interest Income Recognized |  |
With no related allowance recorded | 9 | 61
With an allowance recorded | 59 |
Total impaired loans | 68 | 61
Commercial |  |
Average Recorded Investment |  |
With no related allowance recorded |  | 132
Lease financing receivables |  |
Average Recorded Investment |  |
With no related allowance recorded | 89 | 425
Real estate - commercial | Owner occupied general purpose |  |
Average Recorded Investment |  |
With no related allowance recorded | 417 | 1,270
With an allowance recorded | 152 |
Real estate - commercial | Owner occupied special purpose |  |
Average Recorded Investment |  |
With no related allowance recorded | 391 | 380
Real estate - commercial | Non-owner occupied general purpose |  |
Average Recorded Investment |  |
With no related allowance recorded | 602 | 1,445
With an allowance recorded |  | 123
Interest Income Recognized |  |
With no related allowance recorded |  | 1
Real estate - commercial | Non-owner occupied special purpose |  |
Average Recorded Investment |  |
With no related allowance recorded |  | 506
With an allowance recorded | 1,788 |
Real estate - commercial | Retail properties |  |
Average Recorded Investment |  |
With no related allowance recorded | 541 | 1,170
Real estate - residential | Investor |  |
Average Recorded Investment |  |
With no related allowance recorded | 366 | 1,744
With an allowance recorded | 826 |
Interest Income Recognized |  |
With no related allowance recorded |  | 12
With an allowance recorded | 11 |
Real estate - residential | Multifamily |  |
Average Recorded Investment |  |
With no related allowance recorded | 2,362 |
Real estate - residential | Owner occupied |  |
Average Recorded Investment |  |
With no related allowance recorded | 5,178 | 9,202
With an allowance recorded | 3,559 | 803
Interest Income Recognized |  |
With no related allowance recorded | 9 | 39
With an allowance recorded | 37 |
Real estate - residential | Revolving and junior liens |  |
Average Recorded Investment |  |
With no related allowance recorded | 1,125 | 2,447
With an allowance recorded | 1,064 |
Interest Income Recognized |  |
With no related allowance recorded |  | 9
With an allowance recorded | 11 |
Consumer |  |
Average Recorded Investment |  |
With no related allowance recorded | 12 | 106
Construction Loans | Real estate - commercial | Commercial speculative |  |
Average Recorded Investment |  |
With no related allowance recorded |  | 72
Construction Loans | Real estate - commercial | All other |  |
Average Recorded Investment |  |
With no related allowance recorded | $ 199 | $ 206

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- Definition Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524 + Details
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