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Industry Segment Information (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012 | Dec. 31, 2012
Fee revenue and other income: |  |  |  |  |
Income from customers | $ 29,055 | $ 27,911 | $ 86,685 | $ 84,752 |
Intersegment income (expense) |  |  |  |  |
Net income | 6,138 | 6,092 | 18,243 | 17,962 |
Goodwill | 11,590 | 11,590 | 11,590 | 11,590 | 11,590
Other intangible assets, net | 3,342 | 3,905 | 3,342 | 3,905 |
Total assets | 1,329,327 | 1,391,235 | 1,329,327 | 1,391,235 | 1,287,387
Information Services [Member] |  |  |  |  |
Fee revenue and other income: |  |  |  |  |
Income from customers | 23,208 | 21,727 | 68,977 | 66,448 |
Intersegment income (expense) | (2,408) | 2,842 | (7,253) | 8,126 |
Net income | 4,123 | 3,725 | 11,982 | 11,351 |
Goodwill | 11,454 | 11,454 | 11,454 | 11,454 |
Other intangible assets, net | 3,342 | 3,905 | 3,342 | 3,905 |
Total assets | 679,844 | 774,476 | 679,844 | 774,476 |
Banking Services [Member] |  |  |  |  |
Fee revenue and other income: |  |  |  |  |
Income from customers | 5,847 | 6,184 | 17,708 | 18,304 |
Intersegment income (expense) | (353) | 408 | (1,122) | 1,251 |
Net income | 2,015 | 2,367 | 6,135 | 6,611 |
Goodwill | 136 | 136 | 136 | 136 |
Other intangible assets, net |  |  |  |  |
Total assets | 663,101 | 634,564 | 663,101 | 634,564 |
Corporate Eliminations and Other [Member] |  |  |  |  |
Fee revenue and other income: |  |  |  |  |
Income from customers |  |  |  |  |
Intersegment income (expense) | 2,761 | (3,250) | 8,375 | (9,377) |
Net income |  |  | 126 |  |
Goodwill |  |  |  |  |
Other intangible assets, net |  |  |  |  |
Total assets | $ (13,618) | $ (17,805) | $ (13,618) | $ (17,805) |

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