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Loans - Impaired Loans - Average Recorded Investment and Interest Income Recognized (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Average Recorded Investment |  |  |
With no related allowance recorded | $ 27,868 | $ 35,043 | $ 47,877
With an allowance recorded | 518 | 6,185 | 19,901
Total impaired loans | 28,386 | 41,228 | 67,778
Interest Income Recognized |  |  |
With no related allowance recorded | 303 | 467 | 390
With an allowance recorded | 3 | 1 |
Total impaired loans | 306 | 468 | 390
Commercial |  |  |
Average Recorded Investment |  |  |
With no related allowance recorded | 785 | 764 | 112
With an allowance recorded | 2 |  | 283
Real estate - commercial | Owner occupied general purpose |  |  |
Average Recorded Investment |  |  |
With no related allowance recorded | 4,720 | 4,834 | 3,508
With an allowance recorded |  | 365 | 872
Interest Income Recognized |  |  |
With no related allowance recorded | 82 | 104 | 3
Real estate - commercial | Owner occupied special purpose |  |  |
Average Recorded Investment |  |  |
With no related allowance recorded | 1,280 | 2,584 | 5,275
With an allowance recorded |  | 2,150 | 4,277
Interest Income Recognized |  |  |
With no related allowance recorded |  | 45 |
Real estate - commercial | Non-owner occupied general purpose |  |  |
Average Recorded Investment |  |  |
With no related allowance recorded | 2,939 | 5,130 | 9,892
With an allowance recorded | 38 | 508 | 1,859
Interest Income Recognized |  |  |
With no related allowance recorded | 3 |  | 75
Real estate - commercial | Non-owner occupied special purpose |  |  |
Average Recorded Investment |  |  |
With no related allowance recorded | 712 | 1,042 | 569
Real estate - commercial | Retail properties |  |  |
Average Recorded Investment |  |  |
With no related allowance recorded |  | 1,572 | 5,962
With an allowance recorded |  |  | 876
Real estate - commercial | Farm |  |  |
Average Recorded Investment |  |  |
With no related allowance recorded | 636 |  | 1,259
Real estate - construction | Homebuilder |  |  |
Average Recorded Investment |  |  |
With no related allowance recorded | 895 | 1,903 | 3,085
With an allowance recorded |  | 84 | 97
Interest Income Recognized |  |  |
With no related allowance recorded |  | 82 | 97
Real estate - construction | Land |  |  |
Average Recorded Investment |  |  |
With no related allowance recorded |  | 105 | 232
Real estate - construction | Commercial speculative |  |  |
Average Recorded Investment |  |  |
With no related allowance recorded | 42 | 369 | 1,501
With an allowance recorded |  | 587 | 2,748
Real estate - construction | All other |  |  |
Average Recorded Investment |  |  |
With no related allowance recorded | 145 | 147 | 41
With an allowance recorded | 135 | 353 | 458
Real estate - residential | Investor |  |  |
Average Recorded Investment |  |  |
With no related allowance recorded | 2,251 | 4,290 | 5,576
With an allowance recorded | 67 | 410 | 2,713
Interest Income Recognized |  |  |
With no related allowance recorded | 51 | 43 |
Real estate - residential | Owner occupied |  |  |
Average Recorded Investment |  |  |
With no related allowance recorded | 10,979 | 10,299 | 9,284
With an allowance recorded | 68 | 794 | 3,737
Interest Income Recognized |  |  |
With no related allowance recorded | 160 | 187 | 209
With an allowance recorded |  | 1 |
Real estate - residential | Revolving and junior liens |  |  |
Average Recorded Investment |  |  |
With no related allowance recorded | 2,484 | 2,004 | 1,570
With an allowance recorded | 208 | 934 | 1,981
Interest Income Recognized |  |  |
With no related allowance recorded | 7 | $ 6 | 6
With an allowance recorded | $ 3 |  |
Consumer |  |  |
Average Recorded Investment |  |  |
With no related allowance recorded |  |  | $ 11

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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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