XML 45 R23.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Investments (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2013
Investments [Abstract] |
Summary Of Securities Held-To-Maturity And Securities Available-For-Sale |
|  | March 31, 2013 |
| Amortized | Gross Unrealized | Fair Value
| Costs | Gains | (Losses) |
Hel d-to-Maturity |  |  |  |
US agency obligations | $ 3,069 | $ 328 | $ - | $ 3,397
Available-for-Sale |  |  |  |
US Treasuries | $ 1,959 | $ 7 | $ - | $ 1,966
US agency obligations | 21,965 | 186 | (102) | 22,049
Mortgage-backed securities | 1,760 | 9 | - | 1,769
Municipals | 18,284 | 323 | (180) | 18,427
Other | 1,521 | - | (30) | 1,491
| $ 45,489 | $ 525 | $ (312) | $ 45,702
|  | December 31, 2012 |
| Amortized | Gross Unrealized | Fair Value
| Costs | Gains | (Losses) |
Held-to-Maturity |  |  |  |
US agency obligations | $ 3,075 | $ 342 | $ - | $ 3,417
Available-for-Sale |  |  |  |
US agency obligations | $ 22,980 | $ 184 | $ (95) | $ 23,069
Mortgage-backed securities | 1,805 | 7 | - | 1,812
Municipals | 22,099 | 780 | (75) | 22,804
Other | 2,548 | 61 | - | 2,609
| $ 49,432 | $ 1,032 | $ (170) | $ 50,294
Gross Unrealized Losses And Fair Value Of The Bank's Investments |
| Less than 12 months | More than 12 months | Total
| Fair | Unrealized | Fair | Unrealized | Fair | Unrealized
Marc h 31, 2013 | Value | Losses | Value | Losses | Value | Losses
Description of securities |  |  |  |  |  |
U.S. agency obligations | $ 7,881 | $ 102 | $ - | $ - | $ 7,881 | $ 102
Municipals | 7,239 | 180 | - | - | 7,239 | 180
Other | 1,491 | 30 |  |  | 1,491 | 30
Total | $ 16,611 | $ 312 | $ - | $ - | $ 16,611 | $ 312
| Less than 12 months | More than 12 months | Total
| Fair | Unrealized | Fair | Unrealized | Fair | Unrealized
Dece mber 31, 2012 | Value | Losses | Value | Losses | Value | Losses
Description of securities |  |  |  |  |  |
U.S. agency obligations | $ 9,116 | $ 95 | $ - | $ - | $ 9,116 | $ 95
Municipals | 1,879 | 75 | - | - | 1,879 | 75
Total | $ 10,995 | $ 170 | $ - | $ - | $ 10,995 | $ 170

X
- Definition Available-For-Sale Securities And Held-To-Maturity Securities [Text Block] + References No definition available. + Details
Name: | cik0001275101_AvailableForSaleSecuritiesAndHeldToMaturitySecuritiesTextBlock
Namespace Prefix: | cik0001275101_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition For all investments in an unrealized loss position, including those for which other-than-temporary impairments have not been recognized in earnings (including investments for which a portion of an other-than-temporary impairment has been recognized in other comprehensive income), a tabular disclosure of the aggregate related fair value of investments with unrealized losses and the aggregate amount of unrealized losses (that is, the amount by which amortized cost basis exceeds fair value). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27290-111563 + Details
Name: | us-gaap_ScheduleOfUnrealizedLossOnInvestmentsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration