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Bank subsidiary (Details 11) (Class of financing receivables, USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2013 | Jun. 30, 2013 | Dec. 31, 2012
Recorded investment: |  |  |
With no related allowance recorded | $ 24,212 | $ 24,212 | $ 30,120
With an allowance recorded | 34,337 | 34,337 | 34,641
Recorded investment | 58,549 | 58,549 | 64,761
Unpaid principal balance: |  |  |
With no related allowance recorded | 31,841 | 31,841 | 42,189
With an allowance recorded | 35,810 | 35,810 | 35,919
Unpaid principal balance | 67,651 | 67,651 | 78,108
Related Allowance | 6,772 | 6,772 | 6,799
Average recorded investment: |  |  |
With no related allowance recorded | 25,932 | 28,312 | 71,308
With an allowance recorded | 36,862 | 36,039 | 21,382
Average recorded investment | 62,794 | 64,351 | 92,690
Interest income recognized: |  |  |
With no related allowance recorded | 221 | 452 | 2,703
With an allowance recorded | 315 | 534 | 848
Interest income recognized | 536 | 986 | 3,551
Residential 1-4 family |  |  |
Recorded investment: |  |  |
With no related allowance recorded | 10,921 | 10,921 | 14,633
With an allowance recorded | 7,172 | 7,172 | 4,803
Recorded investment | 18,093 | 18,093 | 19,436
Unpaid principal balance: |  |  |
With no related allowance recorded | 14,527 | 14,527 | 20,247
With an allowance recorded | 7,193 | 7,193 | 4,803
Unpaid principal balance | 21,720 | 21,720 | 25,050
Related Allowance | 944 | 944 | 384
Average recorded investment: |  |  |
With no related allowance recorded | 12,380 | 13,568 | 16,688
With an allowance recorded | 7,069 | 6,039 | 4,204
Average recorded investment | 19,449 | 19,607 | 20,892
Interest income recognized: |  |  |
With no related allowance recorded | 98 | 232 | 294
With an allowance recorded | 75 | 176 | 250
Interest income recognized | 173 | 408 | 544
Commercial real estate |  |  |
Recorded investment: |  |  |
With no related allowance recorded |  |  | 2,929
With an allowance recorded | 3,811 | 3,811 | 3,821
Recorded investment | 3,811 | 3,811 | 6,750
Unpaid principal balance: |  |  |
With no related allowance recorded |  |  | 2,929
With an allowance recorded | 3,834 | 3,834 | 3,840
Unpaid principal balance | 3,834 | 3,834 | 6,769
Related Allowance | 820 | 820 | 535
Average recorded investment: |  |  |
With no related allowance recorded |  | 1,604 | 7,771
With an allowance recorded | 8,341 | 7,221 | 1,295
Average recorded investment | 8,341 | 8,825 | 9,066
Interest income recognized: |  |  |
With no related allowance recorded |  |  | 237
With an allowance recorded | 151 | 151 |
Interest income recognized | 151 | 151 | 237
Home equity line of credit |  |  |
Recorded investment: |  |  |
With no related allowance recorded | 536 | 536 | 581
Recorded investment | 536 | 536 | 581
Unpaid principal balance: |  |  |
With no related allowance recorded | 1,077 | 1,077 | 1,374
Unpaid principal balance | 1,077 | 1,077 | 1,374
Average recorded investment: |  |  |
With no related allowance recorded | 637 | 646 | 632
With an allowance recorded |  |  | 26
Average recorded investment | 637 | 646 | 658
Interest income recognized: |  |  |
With no related allowance recorded |  |  | 1
Interest income recognized |  |  | 1
Residential land |  |  |
Recorded investment: |  |  |
With no related allowance recorded | 8,429 | 8,429 | 7,691
With an allowance recorded | 6,229 | 6,229 | 9,984
Recorded investment | 14,658 | 14,658 | 17,675
Unpaid principal balance: |  |  |
With no related allowance recorded | 9,809 | 9,809 | 10,624
With an allowance recorded | 6,356 | 6,356 | 10,364
Unpaid principal balance | 16,165 | 16,165 | 20,988
Related Allowance | 1,641 | 1,641 | 3,221
Average recorded investment: |  |  |
With no related allowance recorded | 8,502 | 8,167 | 21,589
With an allowance recorded | 6,379 | 7,632 | 7,428
Average recorded investment | 14,881 | 15,799 | 29,017
Interest income recognized: |  |  |
With no related allowance recorded | 122 | 219 | 1,185
With an allowance recorded | 89 | 202 | 575
Interest income recognized | 211 | 421 | 1,760
Commercial loans |  |  |
Recorded investment: |  |  |
With no related allowance recorded | 4,306 | 4,306 | 4,265
With an allowance recorded | 17,125 | 17,125 | 16,033
Recorded investment | 21,431 | 21,431 | 20,298
Unpaid principal balance: |  |  |
With no related allowance recorded | 6,408 | 6,408 | 6,994
With an allowance recorded | 18,427 | 18,427 | 16,912
Unpaid principal balance | 24,835 | 24,835 | 23,906
Related Allowance | 3,367 | 3,367 | 2,659
Average recorded investment: |  |  |
With no related allowance recorded | 4,393 | 4,306 | 24,605
With an allowance recorded | 15,073 | 15,147 | 8,429
Average recorded investment | 19,466 | 19,453 | 33,034
Interest income recognized: |  |  |
With no related allowance recorded | 1 | 1 | 986
With an allowance recorded |  | 5 | 23
Interest income recognized | 1 | 6 | 1,009
Consumer loans |  |  |
Recorded investment: |  |  |
With no related allowance recorded | 20 | 20 | 21
Recorded investment | 20 | 20 | 21
Unpaid principal balance: |  |  |
With no related allowance recorded | 20 | 20 | 21
Unpaid principal balance | 20 | 20 | 21
Average recorded investment: |  |  |
With no related allowance recorded | 20 | 21 | 23
Average recorded investment | $ 20 | $ 21 | $ 23

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