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Bank segment - Principal balance of impaired loans (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015 | Dec. 31, 2015
Recorded investment: |  |  |  |  |
With no related allowance recorded | $ 29,338 |  | $ 29,338 |  | $ 19,806
With an allowance recorded | 29,835 |  | 29,835 |  | 33,879
Recorded investment | 59,173 |  | 59,173 |  | 53,685
Unpaid principal balance: |  |  |  |  |
With no related allowance recorded | 33,045 |  | 33,045 |  | 22,934
With an allowance recorded | 30,332 |  | 30,332 |  | 34,696
Unpaid principal balance | 63,377 |  | 63,377 |  | 57,630
Related Allowance | 6,180 |  | 6,180 |  | 6,320
Average recorded investment: |  |  |  |  |
With no related allowance recorded | 22,715 | $ 20,614 | 19,993 | $ 21,527 |
With an allowance recorded | 37,610 | 27,995 | 36,893 | 27,399 |
Average recorded investment | 60,325 | 48,609 | 56,886 | 48,926 |
Interest income recognized: |  |  |  |  |
With no related allowance recorded | 183 | 250 | 256 | 394 |
With an allowance recorded | 377 | 258 | 623 | 523 |
Interest income recognized | 560 | 508 | 879 | 917 |
Residential 1-4 family |  |  |  |  |
Recorded investment: |  |  |  |  |
With no related allowance recorded | 10,262 |  | 10,262 |  | 10,596
With an allowance recorded | 12,017 |  | 12,017 |  | 11,861
Recorded investment | 22,279 |  | 22,279 |  | 22,457
Unpaid principal balance: |  |  |  |  |
With no related allowance recorded | 11,381 |  | 11,381 |  | 11,805
With an allowance recorded | 12,220 |  | 12,220 |  | 11,914
Unpaid principal balance | 23,601 |  | 23,601 |  | 23,719
Related Allowance | 1,709 |  | 1,709 |  | 1,453
Average recorded investment: |  |  |  |  |
With no related allowance recorded | 10,672 | 11,193 | 10,532 | 11,373 |
With an allowance recorded | 11,982 | 11,794 | 12,000 | 11,651 |
Average recorded investment | 22,654 | 22,987 | 22,532 | 23,024 |
Interest income recognized: |  |  |  |  |
With no related allowance recorded | 152 | 66 | 203 | 155 |
With an allowance recorded | 115 | 130 | 237 | 256 |
Interest income recognized | 267 | 196 | 440 | 411 |
Commercial real estate |  |  |  |  |
Recorded investment: |  |  |  |  |
With no related allowance recorded | 1,144 |  | 1,144 |  | 1,188
With an allowance recorded | 2,486 |  | 2,486 |  | 0
Recorded investment | 3,630 |  | 3,630 |  | 1,188
Unpaid principal balance: |  |  |  |  |
With no related allowance recorded | 1,422 |  | 1,422 |  | 1,436
With an allowance recorded | 2,526 |  | 2,526 |  | 0
Unpaid principal balance | 3,948 |  | 3,948 |  | 1,436
Related Allowance | 172 |  | 172 |  | 0
Average recorded investment: |  |  |  |  |
With no related allowance recorded | 1,152 | 530 | 1,163 | 543 |
With an allowance recorded | 2,519 | 1,474 | 1,686 | 2,978 |
Average recorded investment | 3,671 | 2,004 | 2,849 | 3,521 |
Interest income recognized: |  |  |  |  |
With no related allowance recorded | 0 | 0 | 0 | 0 |
With an allowance recorded | 0 | 0 | 0 | 0 |
Interest income recognized | 0 | 0 | 0 | 0 |
Home equity line of credit |  |  |  |  |
Recorded investment: |  |  |  |  |
With no related allowance recorded | 1,020 |  | 1,020 |  | 707
With an allowance recorded | 3,626 |  | 3,626 |  | 2,518
Recorded investment | 4,646 |  | 4,646 |  | 3,225
Unpaid principal balance: |  |  |  |  |
With no related allowance recorded | 1,288 |  | 1,288 |  | 948
With an allowance recorded | 3,699 |  | 3,699 |  | 2,579
Unpaid principal balance | 4,987 |  | 4,987 |  | 3,527
Related Allowance | 826 |  | 826 |  | 442
Average recorded investment: |  |  |  |  |
With no related allowance recorded | 1,038 | 433 | 943 | 417 |
With an allowance recorded | 3,299 | 1,212 | 3,122 | 919 |
Average recorded investment | 4,337 | 1,645 | 4,065 | 1,336 |
Interest income recognized: |  |  |  |  |
With no related allowance recorded | 9 | 1 | 9 | 2 |
With an allowance recorded | 28 | 8 | 55 | 14 |
Interest income recognized | 37 | 9 | 64 | 16 |
Residential land |  |  |  |  |
Recorded investment: |  |  |  |  |
With no related allowance recorded | 1,482 |  | 1,482 |  | 1,644
With an allowance recorded | 2,971 |  | 2,971 |  | 4,039
Recorded investment | 4,453 |  | 4,453 |  | 5,683
Unpaid principal balance: |  |  |  |  |
With no related allowance recorded | 2,178 |  | 2,178 |  | 2,412
With an allowance recorded | 2,971 |  | 2,971 |  | 4,117
Unpaid principal balance | 5,149 |  | 5,149 |  | 6,529
Related Allowance | 819 |  | 819 |  | 891
Average recorded investment: |  |  |  |  |
With no related allowance recorded | 1,484 | 3,026 | 1,537 | 2,831 |
With an allowance recorded | 2,977 | 4,142 | 3,177 | 4,666 |
Average recorded investment | 4,461 | 7,168 | 4,714 | 7,497 |
Interest income recognized: |  |  |  |  |
With no related allowance recorded | 15 | 44 | 31 | 96 |
With an allowance recorded | 54 | 84 | 121 | 167 |
Interest income recognized | 69 | 128 | 152 | 263 |
Commercial loans |  |  |  |  |
Recorded investment: |  |  |  |  |
With no related allowance recorded | 15,430 |  | 15,430 |  | 5,671
With an allowance recorded | 8,723 |  | 8,723 |  | 15,448
Recorded investment | 24,153 |  | 24,153 |  | 21,119
Unpaid principal balance: |  |  |  |  |
With no related allowance recorded | 16,776 |  | 16,776 |  | 6,333
With an allowance recorded | 8,904 |  | 8,904 |  | 16,073
Unpaid principal balance | 25,680 |  | 25,680 |  | 22,406
Related Allowance | 2,647 |  | 2,647 |  | 3,527
Average recorded investment: |  |  |  |  |
With no related allowance recorded | 8,369 | 5,432 | 5,818 | 6,363 |
With an allowance recorded | 16,821 | 9,358 | 16,896 | 7,170 |
Average recorded investment | 25,190 | 14,790 | 22,714 | 13,533 |
Interest income recognized: |  |  |  |  |
With no related allowance recorded | 7 | 139 | 13 | 141 |
With an allowance recorded | 180 | 36 | 210 | 86 |
Interest income recognized | 187 | 175 | 223 | 227 |
Consumer loans |  |  |  |  |
Recorded investment: |  |  |  |  |
With no related allowance recorded |  |  |  |  | 0
With an allowance recorded | 12 |  | 12 |  | 13
Recorded investment | 12 |  | 12 |  | 13
Unpaid principal balance: |  |  |  |  |
With no related allowance recorded |  |  |  |  | 0
With an allowance recorded | 12 |  | 12 |  | 13
Unpaid principal balance | 12 |  | 12 |  | 13
Related Allowance | 7 |  | 7 |  | $ 7
Average recorded investment: |  |  |  |  |
With no related allowance recorded |  | 0 |  | 0 |
With an allowance recorded | 12 | 15 | 12 | 15 |
Average recorded investment | 12 | 15 | 12 | 15 |
Interest income recognized: |  |  |  |  |
With an allowance recorded | $ 0 | $ 0 | $ 0 | $ 0 |

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