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Bank segment - Principal balance of impaired loans (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2015 | Dec. 31, 2014
Recorded investment: |  |
With no related allowance recorded | $ 21,608 | $ 23,167
With an allowance recorded | 27,375 | 26,679
Recorded investment | 48,983 | 49,846
Unpaid principal balance: |  |
With no related allowance recorded | 25,823 | 28,890
With an allowance recorded | 29,581 | 27,119
Unpaid principal balance | 55,404 | 56,009
Related Allowance | 5,548 | 4,665
Average recorded investment: |  |
With no related allowance recorded | 22,439 | 17,592
With an allowance recorded | 26,804 | 30,882
Average recorded investment | 49,243 | 48,474
Interest income recognized: |  |
With no related allowance recorded | 144 | 442
With an allowance recorded | 265 | 1,825
Interest income recognized | 409 | 2,267
Residential 1-4 family |  |
Recorded investment: |  |
With no related allowance recorded | 11,168 | 11,654
With an allowance recorded | 11,921 | 11,327
Recorded investment | 23,089 | 22,981
Unpaid principal balance: |  |
With no related allowance recorded | 12,460 | 12,987
With an allowance recorded | 11,974 | 11,347
Unpaid principal balance | 24,434 | 24,334
Related Allowance | 1,429 | 951
Average recorded investment: |  |
With no related allowance recorded | 11,552 | 9,056
With an allowance recorded | 11,510 | 8,822
Average recorded investment | 23,062 | 17,878
Interest income recognized: |  |
With no related allowance recorded | 89 | 227
With an allowance recorded | 126 | 419
Interest income recognized | 215 | 646
Commercial real estate |  |
Recorded investment: |  |
With no related allowance recorded | 547 | 571
With an allowance recorded | 4,451 | 4,541
Recorded investment | 4,998 | 5,112
Unpaid principal balance: |  |
With no related allowance recorded | 609 | 626
With an allowance recorded | 4,511 | 4,541
Unpaid principal balance | 5,120 | 5,167
Related Allowance | 1,785 | 1,845
Average recorded investment: |  |
With no related allowance recorded | 555 | 194
With an allowance recorded | 4,482 | 3,415
Average recorded investment | 5,037 | 3,609
Interest income recognized: |  |
With no related allowance recorded |  | 0
With an allowance recorded | 0 | 478
Interest income recognized | 0 | 478
Home equity line of credit |  |
Recorded investment: |  |
With no related allowance recorded | 339 | 363
With an allowance recorded | 844 | 416
Recorded investment | 1,183 | 779
Unpaid principal balance: |  |
With no related allowance recorded | 544 | 606
With an allowance recorded | 900 | 420
Unpaid principal balance | 1,444 | 1,026
Related Allowance | 144 | 46
Average recorded investment: |  |
With no related allowance recorded | 400 | 402
With an allowance recorded | 626 | 132
Average recorded investment | 1,026 | 534
Interest income recognized: |  |
With no related allowance recorded | 1 | 5
With an allowance recorded | 6 | 6
Interest income recognized | 7 | 11
Residential land |  |
Recorded investment: |  |
With no related allowance recorded | 3,265 | 2,344
With an allowance recorded | 4,554 | 5,506
Recorded investment | 7,819 | 7,850
Unpaid principal balance: |  |
With no related allowance recorded | 4,121 | 3,200
With an allowance recorded | 4,632 | 5,584
Unpaid principal balance | 8,753 | 8,784
Related Allowance | 1,085 | 1,057
Average recorded investment: |  |
With no related allowance recorded | 2,637 | 2,728
With an allowance recorded | 5,189 | 6,415
Average recorded investment | 7,826 | 9,143
Interest income recognized: |  |
With no related allowance recorded | 52 | 172
With an allowance recorded | 83 | 484
Interest income recognized | 135 | 656
Commercial loans |  |
Recorded investment: |  |
With no related allowance recorded | 6,289 | 8,235
With an allowance recorded | 5,590 | 4,873
Recorded investment | 11,879 | 13,108
Unpaid principal balance: |  |
With no related allowance recorded | 8,089 | 11,471
With an allowance recorded | 7,549 | 5,211
Unpaid principal balance | 15,638 | 16,682
Related Allowance | 1,096 | 760
Average recorded investment: |  |
With no related allowance recorded | 7,295 | 5,204
With an allowance recorded | 4,982 | 12,089
Average recorded investment | 12,277 | 17,293
Interest income recognized: |  |
With no related allowance recorded | 2 | 38
With an allowance recorded | 50 | 438
Interest income recognized | 52 | 476
Consumer loans |  |
Recorded investment: |  |
With no related allowance recorded | 0 | 0
With an allowance recorded | 15 | 16
Recorded investment | 15 | 16
Unpaid principal balance: |  |
With no related allowance recorded | 0 | 0
With an allowance recorded | 15 | 16
Unpaid principal balance | 15 | 16
Related Allowance | 9 | 6
Average recorded investment: |  |
With no related allowance recorded | 0 | 8
With an allowance recorded | 15 | 9
Average recorded investment | 15 | 17
Interest income recognized: |  |
With an allowance recorded | $ 0 | $ 0

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