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Bank segment - Principal balance of impaired loans (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2015 | Jun. 30, 2015 | Dec. 31, 2014
Recorded investment: |  |  |
With no related allowance recorded | $ 19,848 | $ 19,848 | $ 23,167
With an allowance recorded | 35,383 | 35,383 | 26,679
Recorded investment | 55,231 | 55,231 | 49,846
Unpaid principal balance: |  |  |
With no related allowance recorded | 24,078 | 24,078 | 28,890
With an allowance recorded | 37,417 | 37,417 | 27,119
Unpaid principal balance | 61,495 | 61,495 | 56,009
Related Allowance | 5,390 | 5,390 | 4,665
Average recorded investment: |  |  |
With no related allowance recorded | 20,614 | 21,527 | 17,592
With an allowance recorded | 27,995 | 27,399 | 30,882
Average recorded investment | 48,609 | 48,926 | 48,474
Interest income recognized: |  |  |
With no related allowance recorded | 250 | 394 | 442
With an allowance recorded | 258 | 523 | 1,825
Interest income recognized | 508 | 917 | 2,267
Residential 1-4 family |  |  |
Recorded investment: |  |  |
With no related allowance recorded | 11,132 | 11,132 | 11,654
With an allowance recorded | 11,588 | 11,588 | 11,327
Recorded investment | 22,720 | 22,720 | 22,981
Unpaid principal balance: |  |  |
With no related allowance recorded | 12,417 | 12,417 | 12,987
With an allowance recorded | 11,641 | 11,641 | 11,347
Unpaid principal balance | 24,058 | 24,058 | 24,334
Related Allowance | 1,363 | 1,363 | 951
Average recorded investment: |  |  |
With no related allowance recorded | 11,193 | 11,373 | 9,056
With an allowance recorded | 11,794 | 11,651 | 8,822
Average recorded investment | 22,987 | 23,024 | 17,878
Interest income recognized: |  |  |
With no related allowance recorded | 66 | 155 | 227
With an allowance recorded | 130 | 256 | 419
Interest income recognized | 196 | 411 | 646
Commercial real estate |  |  |
Recorded investment: |  |  |
With no related allowance recorded | 522 | 522 | 571
With an allowance recorded | 0 | 0 | 4,541
Recorded investment | 522 | 522 | 5,112
Unpaid principal balance: |  |  |
With no related allowance recorded | 593 | 593 | 626
With an allowance recorded | 0 | 0 | 4,541
Unpaid principal balance | 593 | 593 | 5,167
Related Allowance | 0 | 0 | 1,845
Average recorded investment: |  |  |
With no related allowance recorded | 530 | 543 | 194
With an allowance recorded | 1,474 | 2,978 | 3,415
Average recorded investment | 2,004 | 3,521 | 3,609
Interest income recognized: |  |  |
With no related allowance recorded |  |  | 0
With an allowance recorded | 0 | 0 | 478
Interest income recognized | 0 | 0 | 478
Home equity line of credit |  |  |
Recorded investment: |  |  |
With no related allowance recorded | 376 | 376 | 363
With an allowance recorded | 1,523 | 1,523 | 416
Recorded investment | 1,899 | 1,899 | 779
Unpaid principal balance: |  |  |
With no related allowance recorded | 583 | 583 | 606
With an allowance recorded | 1,585 | 1,585 | 420
Unpaid principal balance | 2,168 | 2,168 | 1,026
Related Allowance | 269 | 269 | 46
Average recorded investment: |  |  |
With no related allowance recorded | 433 | 417 | 402
With an allowance recorded | 1,212 | 919 | 132
Average recorded investment | 1,645 | 1,336 | 534
Interest income recognized: |  |  |
With no related allowance recorded | 1 | 2 | 5
With an allowance recorded | 8 | 14 | 6
Interest income recognized | 9 | 16 | 11
Residential land |  |  |
Recorded investment: |  |  |
With no related allowance recorded | 2,597 | 2,597 | 2,344
With an allowance recorded | 3,937 | 3,937 | 5,506
Recorded investment | 6,534 | 6,534 | 7,850
Unpaid principal balance: |  |  |
With no related allowance recorded | 3,366 | 3,366 | 3,200
With an allowance recorded | 4,015 | 4,015 | 5,584
Unpaid principal balance | 7,381 | 7,381 | 8,784
Related Allowance | 1,048 | 1,048 | 1,057
Average recorded investment: |  |  |
With no related allowance recorded | 3,026 | 2,831 | 2,728
With an allowance recorded | 4,142 | 4,666 | 6,415
Average recorded investment | 7,168 | 7,497 | 9,143
Interest income recognized: |  |  |
With no related allowance recorded | 44 | 96 | 172
With an allowance recorded | 84 | 167 | 484
Interest income recognized | 128 | 263 | 656
Commercial loans |  |  |
Recorded investment: |  |  |
With no related allowance recorded | 5,221 | 5,221 | 8,235
With an allowance recorded | 18,320 | 18,320 | 4,873
Recorded investment | 23,541 | 23,541 | 13,108
Unpaid principal balance: |  |  |
With no related allowance recorded | 7,119 | 7,119 | 11,471
With an allowance recorded | 20,161 | 20,161 | 5,211
Unpaid principal balance | 27,280 | 27,280 | 16,682
Related Allowance | 2,702 | 2,702 | 760
Average recorded investment: |  |  |
With no related allowance recorded | 5,432 | 6,363 | 5,204
With an allowance recorded | 9,358 | 7,170 | 12,089
Average recorded investment | 14,790 | 13,533 | 17,293
Interest income recognized: |  |  |
With no related allowance recorded | 139 | 141 | 38
With an allowance recorded | 36 | 86 | 438
Interest income recognized | 175 | 227 | 476
Consumer loans |  |  |
Recorded investment: |  |  |
With no related allowance recorded |  |  | 0
With an allowance recorded | 15 | 15 | 16
Recorded investment | 15 | 15 | 16
Unpaid principal balance: |  |  |
With no related allowance recorded |  |  | 0
With an allowance recorded | 15 | 15 | 16
Unpaid principal balance | 15 | 15 | 16
Related Allowance | 8 | 8 | 6
Average recorded investment: |  |  |
With no related allowance recorded |  |  | 8
With an allowance recorded | 15 | 15 | 9
Average recorded investment | 15 | 15 | 17
Interest income recognized: |  |  |
With an allowance recorded | $ 0 | $ 0 | $ 0

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