XML 46 R45.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Securities (Held-to-Maturity Securities) (Details) (USD $) In Thousands, unless otherwise specified | Sep. 30, 2014 | Dec. 31, 2013
--- | --- | ---
Schedule of Held-to-maturity Securities |  |
Securities held-to-maturity, at amortized cost | $ 42,522 | $ 0
Gross unrealized holding gains | 21 |
Gross unrealized holding losses | (331) |
Estimated Fair Value | 42,212 |
U.S. Government agency obligations - government-sponsored enterprises |  |
Schedule of Held-to-maturity Securities |  |
Securities held-to-maturity, at amortized cost | 1,487 |
Gross unrealized holding gains | 0 |
Gross unrealized holding losses | (24) |
Estimated Fair Value | 1,463 |
Municipal obligations |  |
Schedule of Held-to-maturity Securities |  |
Securities held-to-maturity, at amortized cost | 16,100 |
Gross unrealized holding gains | 16 |
Gross unrealized holding losses | (65) |
Estimated Fair Value | 16,051 |
Collateralized mortgage obligations - government issued |  |
Schedule of Held-to-maturity Securities |  |
Securities held-to-maturity, at amortized cost | 15,145 |
Gross unrealized holding gains | 5 |
Gross unrealized holding losses | (113) |
Estimated Fair Value | 15,037 |
Collateralized mortgage obligations - government-sponsored enterprises |  |
Schedule of Held-to-maturity Securities |  |
Securities held-to-maturity, at amortized cost | 9,790 |
Gross unrealized holding gains | 0 |
Gross unrealized holding losses | (129) |
Estimated Fair Value | $ 9,661 |

X
- Definition Held-to-maturity Securities, Gross Unrealized Gain + References No definition available. + Details
Name: | fbiz_HeldtomaturitySecuritiesGrossUnrealizedGain
Namespace Prefix: | fbiz_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Held-to-maturity Securities, Gross Unrealized Loss + References No definition available. + Details
Name: | fbiz_HeldtomaturitySecuritiesGrossUnrealizedLoss
Namespace Prefix: | fbiz_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount after other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=28360136&loc=d3e22054-111558 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.6) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_HeldToMaturitySecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of investments in debt securities classified as held-to-maturity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 + Details
Name: | us-gaap_HeldToMaturitySecuritiesFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_ScheduleOfHeldToMaturitySecuritiesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration