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Loans - Impaired Loans - Average Recorded Investment and Interest Income Recognized (Details) - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2017 | Jun. 30, 2016
Average Recorded Investment |  |
With no related allowance recorded | $ 20,798 | $ 21,425
With an allowance recorded | 645 | 1,377
Total impaired loans | 21,443 | 22,802
Interest Income Recognized |  |
With no related allowance recorded | 101 | 153
Total impaired loans | 101 | 153
Commercial |  |
Average Recorded Investment |  |
With no related allowance recorded | 128 | 299
With an allowance recorded |  | 1
Lease financing receivables |  |
Average Recorded Investment |  |
With no related allowance recorded | 293 |
With an allowance recorded | 120 |
Real estate - commercial | Owner occupied general purpose |  |
Average Recorded Investment |  |
With no related allowance recorded | 1,170 | 2,494
Interest Income Recognized |  |
With no related allowance recorded |  | 44
Real estate - commercial | Owner occupied special purpose |  |
Average Recorded Investment |  |
With no related allowance recorded | 376 | 650
Real estate - commercial | Non-owner occupied general purpose |  |
Average Recorded Investment |  |
With no related allowance recorded | 1,443 | 1,573
With an allowance recorded | 123 | 306
Interest Income Recognized |  |
With no related allowance recorded | 1 | 1
Real estate - commercial | Non-owner occupied special purpose |  |
Average Recorded Investment |  |
With no related allowance recorded | 507 |
With an allowance recorded |  | 825
Real estate - commercial | Retail properties |  |
Average Recorded Investment |  |
With no related allowance recorded | 1,161 | 1,017
Real estate - commercial | Farm |  |
Average Recorded Investment |  |
With no related allowance recorded |  | 636
Real estate - residential | Investor |  |
Average Recorded Investment |  |
With no related allowance recorded | 1,708 | 1,879
Interest Income Recognized |  |
With no related allowance recorded | 20 | 23
Real estate - residential | Multifamily |  |
Average Recorded Investment |  |
With no related allowance recorded | 2,412 |
Real estate - residential | Owner occupied |  |
Average Recorded Investment |  |
With no related allowance recorded | 9,016 | 10,124
With an allowance recorded | 402 | 222
Interest Income Recognized |  |
With no related allowance recorded | 65 | 79
Real estate - residential | Revolving and junior liens |  |
Average Recorded Investment |  |
With no related allowance recorded | 2,227 | 2,673
With an allowance recorded |  | 23
Interest Income Recognized |  |
With no related allowance recorded | 15 | 6
Consumer |  |
Average Recorded Investment |  |
With no related allowance recorded | 105 |
Construction Loans | Real estate - commercial | Commercial speculative |  |
Average Recorded Investment |  |
With no related allowance recorded | 72 | $ 80
Construction Loans | Real estate - commercial | All other |  |
Average Recorded Investment |  |
With no related allowance recorded | $ 180 |

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- Definition Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses. + 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)(1) -URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5212-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5258-111524 + Details
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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=66008989&loc=d3e5212-111524 + Details
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