XML 31 R29.htm IDEA: XBRL DOCUMENT
v3.2.0.727

Deposits (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2015
Deposits [Abstract] |
Deposits | The composition of deposits at June 30, 2015 and December 31, 2014 was as follows. Average balances represent year-to-date averages.
|  | June 30, 2015 |  | December 31, 2014
|  | Balance |  | Average balance |  | Weighted average rate |  | Balance |  | Average balance |  | Weighted average rate
|  | (Dollars in Thousands)
Non-interest-bearing transaction accounts |  | $ | 221,064 |  |  | $ | 202,905 |  |  | — | % |  | $ | 204,328 |  |  | $ | 154,687 |  |  | — | %
Interest-bearing transaction accounts |  | 107,318 |  |  | 106,442 |  |  | 0.23 |  |  | 104,199 |  |  | 83,508 |  |  | 0.22 |
Money market accounts |  | 588,240 |  |  | 615,485 |  |  | 0.55 |  |  | 575,766 |  |  | 493,322 |  |  | 0.52 |
Certificates of deposit |  | 109,966 |  |  | 117,748 |  |  | 0.75 |  |  | 126,635 |  |  | 60,284 |  |  | 0.89 |
Wholesale deposits |  | 444,480 |  |  | 426,136 |  |  | 1.36 |  |  | 427,340 |  |  | 416,202 |  |  | 1.49 |
Total deposits |  | $ | 1,471,068 |  |  | $ | 1,468,716 |  |  | 0.70 |  |  | $ | 1,438,268 |  |  | $ | 1,208,003 |  |  | 0.78 |

X
- Definition Deposits [Table Text Block] + References No definition available. + Details
Name: | fbiz_DepositsTableTextBlock
Namespace Prefix: | fbiz_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DepositsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration