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Loans - Impaired Loans - Average Recorded Investment and Interest Income Recognized (Details) - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2015 | Sep. 30, 2014
Average Recorded Investment |  |
With no related allowance recorded | $ 29,891 | $ 37,136
With an allowance recorded | 618 | 6,542
Total impaired loans | 30,509 | 43,678
Interest Income Recognized |  |
With no related allowance recorded | 227 | 359
With an allowance recorded | 2 | 15
Total impaired loans | 229 | 374
Commercial |  |
Average Recorded Investment |  |
With no related allowance recorded | 1,014 | 836
With an allowance recorded | 2 |
Real estate - commercial | Owner occupied general purpose |  |
Average Recorded Investment |  |
With no related allowance recorded | 4,857 | 4,860
With an allowance recorded |  | 365
Interest Income Recognized |  |
With no related allowance recorded | 62 | 81
Real estate - commercial | Owner occupied special purpose |  |
Average Recorded Investment |  |
With no related allowance recorded | 1,288 | 3,294
With an allowance recorded |  | 2,443
Real estate - commercial | Non-owner occupied general purpose |  |
Average Recorded Investment |  |
With no related allowance recorded | 2,583 | 6,246
With an allowance recorded | 38 | 469
Interest Income Recognized |  |
With no related allowance recorded |  | 45
Real estate - commercial | Non-owner occupied special purpose |  |
Average Recorded Investment |  |
With no related allowance recorded | 712 | 1,067
Real estate - commercial | Retail properties |  |
Average Recorded Investment |  |
With no related allowance recorded |  | 1,572
Real estate - commercial | Farm |  |
Average Recorded Investment |  |
With no related allowance recorded | 636 |
Real estate - construction | Homebuilder |  |
Average Recorded Investment |  |
With no related allowance recorded | 896 | 1,903
With an allowance recorded |  | 84
Interest Income Recognized |  |
With no related allowance recorded |  | 69
Real estate - construction | Land |  |
Average Recorded Investment |  |
With no related allowance recorded |  | 209
Real estate - construction | Commercial speculative |  |
Average Recorded Investment |  |
With no related allowance recorded | 1,780 | 369
With an allowance recorded |  | 588
Real estate - construction | All other |  |
Average Recorded Investment |  |
With no related allowance recorded | 266 | 155
With an allowance recorded | 135 | 357
Real estate - residential | Investor |  |
Average Recorded Investment |  |
With no related allowance recorded | 2,050 | 4,269
With an allowance recorded | 67 | 412
Interest Income Recognized |  |
With no related allowance recorded | 33 | 32
Real estate - residential | Owner occupied |  |
Average Recorded Investment |  |
With no related allowance recorded | 11,309 | 10,457
With an allowance recorded | 12 | 912
Interest Income Recognized |  |
With no related allowance recorded | 128 | 128
With an allowance recorded |  | 15
Real estate - residential | Revolving and junior liens |  |
Average Recorded Investment |  |
With no related allowance recorded | 2,500 | 1,899
With an allowance recorded | 364 | 912
Interest Income Recognized |  |
With no related allowance recorded | 4 | $ 4
With an allowance recorded | $ 2 |

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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=35738203&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=35738203&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=35738203&loc=d3e5212-111524 + Details
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