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Segment Information (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2011 | Sep. 30, 2011 | Jun. 30, 2011 | Mar. 31, 2011 | Dec. 31, 2012 | Dec. 31, 2011
Income Statement information: |  |  |  |  |  |  |  |  |  |
Net interest income (expense) | $ 5,155 | $ 5,434 | $ 5,268 | $ 4,875 | $ 5,279 | $ 5,385 | $ 5,213 | $ 4,833 | $ 20,732 | $ 20,711
Other revenue - external customers |  |  |  |  |  |  |  |  | 14,740 | 13,551
Other revenue - other segments |  |  |  |  |  |  |  |  | 105 | 306
Net interest income and other revenue |  |  |  |  |  |  |  |  | 35,577 | 34,568
Non-interest expense | 7,212 | 6,725 | 6,871 | 6,676 | 7,972 | 6,823 | 8,398 | 7,060 | 27,484 | 30,253
Significant noncash items: |  |  |  |  |  |  |  |  |  |
Depreciation and amortization |  |  |  |  |  |  |  |  | 1,232 | 1,783
Fixed asset and software impairment |  |  |  |  |  |  |  |  | 65 | 609
Goodwill impairment |  |  |  |  |  |  |  |  |  | 381
Provision for loan losses |  |  |  |  |  |  |  |  | 1,350 | 1,994
Income tax expense (benefit) | 667 | 513 | 391 | 358 | 157 | 137 | 237 | 127 | 1,929 | 658
Segment profit (loss) | 1,524 | 1,304 | 1,014 | 972 | 274 | 603 | 777 | 11 | 4,814 | 1,664
Balance sheet information: |  |  |  |  |  |  |  |  |  |
Total assets | 638,234 |  |  |  | 628,664 |  |  |  | 638,234 | 628,664
Goodwill and intangibles | 17,572 |  |  |  | 18,202 |  |  |  | 17,572 | 18,202
Premises and equipment expenditures |  |  |  |  |  |  |  |  | 833 | 680
Banking [Member] |  |  |  |  |  |  |  |  |  |
Income Statement information: |  |  |  |  |  |  |  |  |  |
Net interest income (expense) |  |  |  |  |  |  |  |  | 22,760 | 22,301
Other revenue - external customers |  |  |  |  |  |  |  |  | 12,427 | 10,187
Other revenue - other segments |  |  |  |  |  |  |  |  | 289 | 301
Net interest income and other revenue |  |  |  |  |  |  |  |  | 35,476 | 32,789
Non-interest expense |  |  |  |  |  |  |  |  | 24,974 | 24,172
Significant noncash items: |  |  |  |  |  |  |  |  |  |
Depreciation and amortization |  |  |  |  |  |  |  |  | 942 | 870
Fixed asset and software impairment |  |  |  |  |  |  |  |  | 65 |
Goodwill impairment |  |  |  |  |  |  |  |  |  |
Provision for loan losses |  |  |  |  |  |  |  |  | 1,350 | 1,994
Income tax expense (benefit) |  |  |  |  |  |  |  |  | 2,719 | 1,824
Segment profit (loss) |  |  |  |  |  |  |  |  | 6,434 | 4,799
Balance sheet information: |  |  |  |  |  |  |  |  |  |
Total assets | 633,353 |  |  |  | 623,501 |  |  |  | 633,353 | 623,501
Goodwill and intangibles | 17,572 |  |  |  | 18,202 |  |  |  | 17,572 | 18,202
Premises and equipment expenditures |  |  |  |  |  |  |  |  | 1,019 | 560
Data Processing [Member] |  |  |  |  |  |  |  |  |  |
Income Statement information: |  |  |  |  |  |  |  |  |  |
Net interest income (expense) |  |  |  |  |  |  |  |  | (114) | (305)
Other revenue - external customers |  |  |  |  |  |  |  |  | 2,294 | 3,332
Other revenue - other segments |  |  |  |  |  |  |  |  | 1,537 | 1,388
Net interest income and other revenue |  |  |  |  |  |  |  |  | 3,717 | 4,415
Non-interest expense |  |  |  |  |  |  |  |  | 3,345 | 6,335
Significant noncash items: |  |  |  |  |  |  |  |  |  |
Depreciation and amortization |  |  |  |  |  |  |  |  | 280 | 903
Fixed asset and software impairment |  |  |  |  |  |  |  |  |  | 609
Goodwill impairment |  |  |  |  |  |  |  |  |  | 381
Provision for loan losses |  |  |  |  |  |  |  |  |  |
Income tax expense (benefit) |  |  |  |  |  |  |  |  | 198 | (523)
Segment profit (loss) |  |  |  |  |  |  |  |  | 384 | (1,397)
Balance sheet information: |  |  |  |  |  |  |  |  |  |
Total assets | 2,250 |  |  |  | 3,577 |  |  |  | 2,250 | 3,577
Goodwill and intangibles |  |  |  |  |  |  |  |  |  |
Premises and equipment expenditures |  |  |  |  |  |  |  |  | 2 | 107
Other [Member] |  |  |  |  |  |  |  |  |  |
Income Statement information: |  |  |  |  |  |  |  |  |  |
Net interest income (expense) |  |  |  |  |  |  |  |  | (1,881) | (1,285)
Other revenue - external customers |  |  |  |  |  |  |  |  | 19 | 32
Other revenue - other segments |  |  |  |  |  |  |  |  | 245 | 146
Net interest income and other revenue |  |  |  |  |  |  |  |  | (1,617) | (1,107)
Non-interest expense |  |  |  |  |  |  |  |  | 1,270 | 1,580
Significant noncash items: |  |  |  |  |  |  |  |  |  |
Depreciation and amortization |  |  |  |  |  |  |  |  | 10 | 10
Fixed asset and software impairment |  |  |  |  |  |  |  |  |  |
Goodwill impairment |  |  |  |  |  |  |  |  |  |
Provision for loan losses |  |  |  |  |  |  |  |  |  |
Income tax expense (benefit) |  |  |  |  |  |  |  |  | (988) | (642)
Segment profit (loss) |  |  |  |  |  |  |  |  | 1,899 | (2,045)
Balance sheet information: |  |  |  |  |  |  |  |  |  |
Total assets | 75,328 |  |  |  | 73,208 |  |  |  | 75,328 | 73,208
Goodwill and intangibles |  |  |  |  |  |  |  |  |  |
Premises and equipment expenditures |  |  |  |  |  |  |  |  |  | 13
Total Segments [Member] |  |  |  |  |  |  |  |  |  |
Income Statement information: |  |  |  |  |  |  |  |  |  |
Net interest income (expense) |  |  |  |  |  |  |  |  | 20,765 | 20,711
Other revenue - external customers |  |  |  |  |  |  |  |  | 14,740 | 13,551
Other revenue - other segments |  |  |  |  |  |  |  |  | 2,071 | 1,834
Net interest income and other revenue |  |  |  |  |  |  |  |  | 37,576 | 36,096
Non-interest expense |  |  |  |  |  |  |  |  | 29,589 | 32,087
Significant noncash items: |  |  |  |  |  |  |  |  |  |
Depreciation and amortization |  |  |  |  |  |  |  |  | 1,232 | 1,783
Fixed asset and software impairment |  |  |  |  |  |  |  |  | 65 | 609
Goodwill impairment |  |  |  |  |  |  |  |  |  | 381
Provision for loan losses |  |  |  |  |  |  |  |  | 1,350 | 1,994
Income tax expense (benefit) |  |  |  |  |  |  |  |  | 1,929 | 658
Segment profit (loss) |  |  |  |  |  |  |  |  | 4,709 | 1,358
Balance sheet information: |  |  |  |  |  |  |  |  |  |
Total assets | 710,931 |  |  |  | 700,286 |  |  |  | 710,931 | 700,286
Goodwill and intangibles | 17,572 |  |  |  | 18,202 |  |  |  | 17,572 | 18,202
Premises and equipment expenditures |  |  |  |  |  |  |  |  | 1,021 | 680
Intersegment Elimination [Member] |  |  |  |  |  |  |  |  |  |
Income Statement information: |  |  |  |  |  |  |  |  |  |
Net interest income (expense) |  |  |  |  |  |  |  |  | (33) |
Other revenue - external customers |  |  |  |  |  |  |  |  |  |
Other revenue - other segments |  |  |  |  |  |  |  |  | (1,966) | (1,528)
Net interest income and other revenue |  |  |  |  |  |  |  |  | (1,999) | (1,528)
Non-interest expense |  |  |  |  |  |  |  |  | (2,104) | (1,834)
Significant noncash items: |  |  |  |  |  |  |  |  |  |
Depreciation and amortization |  |  |  |  |  |  |  |  |  |
Fixed asset and software impairment |  |  |  |  |  |  |  |  |  |
Goodwill impairment |  |  |  |  |  |  |  |  |  |
Provision for loan losses |  |  |  |  |  |  |  |  |  |
Income tax expense (benefit) |  |  |  |  |  |  |  |  |  |
Segment profit (loss) |  |  |  |  |  |  |  |  | 105 | 306
Balance sheet information: |  |  |  |  |  |  |  |  |  |
Total assets | (72,697) |  |  |  | (71,622) |  |  |  | (72,697) | (71,622)
Goodwill and intangibles |  |  |  |  |  |  |  |  |  |
Premises and equipment expenditures |  |  |  |  |  |  |  |  |  |

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