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Loans - Impaired Loans - Average Recorded Investment and Interest Income Recognized (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2017 | Mar. 31, 2016
Average Recorded Investment |  |
With no related allowance recorded | $ 19,105 | $ 20,219
With an allowance recorded | 926 | 317
Total impaired loans | 20,031 | 20,536
Interest Income Recognized |  |
With no related allowance recorded | 61 | 78
Total impaired loans | 61 | 78
Commercial |  |
Average Recorded Investment |  |
With no related allowance recorded | 132 | 67
With an allowance recorded |  | 238
Lease financing receivables |  |
Average Recorded Investment |  |
With no related allowance recorded | 425 |
Real estate - commercial | Owner occupied general purpose |  |
Average Recorded Investment |  |
With no related allowance recorded | 1,270 | 2,506
Interest Income Recognized |  |
With no related allowance recorded |  | 22
Real estate - commercial | Owner occupied special purpose |  |
Average Recorded Investment |  |
With no related allowance recorded | 380 | 823
Real estate - commercial | Non-owner occupied general purpose |  |
Average Recorded Investment |  |
With no related allowance recorded | 1,445 | 1,029
With an allowance recorded | 123 |
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 | 506 |
Real estate - commercial | Retail properties |  |
Average Recorded Investment |  |
With no related allowance recorded | 1,170 |
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 | 1,744 | 1,889
Interest Income Recognized |  |
With no related allowance recorded | 12 | 12
Real estate - residential | Owner occupied |  |
Average Recorded Investment |  |
With no related allowance recorded | 9,202 | 10,440
With an allowance recorded | 803 | 56
Interest Income Recognized |  |
With no related allowance recorded | 39 | 41
Real estate - residential | Revolving and junior liens |  |
Average Recorded Investment |  |
With no related allowance recorded | 2,447 | 2,747
With an allowance recorded |  | 23
Interest Income Recognized |  |
With no related allowance recorded | 9 | 2
Consumer |  |
Average Recorded Investment |  |
With no related allowance recorded | 106 |
Construction Loans | Real estate - commercial | Commercial speculative |  |
Average Recorded Investment |  |
With no related allowance recorded | 72 | $ 82
Construction Loans | Real estate - commercial | All other |  |
Average Recorded Investment |  |
With no related allowance recorded | $ 206 |

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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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