XML 51 R34.htm IDEA: XBRL DOCUMENT v2.4.0.6

Investments (Narrative) (Details)	Mar. 31, 2013 security
Schedule of Investments [Line Items]
Securities evaluated for other than temporary impairment	19
S&P Rated AAA [Member]
Schedule of Investments [Line Items]
Securities evaluated for other than temporary impairment	2
S&P Rated AA [Member]
Schedule of Investments [Line Items]
Securities evaluated for other than temporary impairment	16
S&P Rated A [Member]
Schedule of Investments [Line Items]
Securities evaluated for other than temporary impairment	1
US Agency Obligations [Member]
Schedule of Investments [Line Items]
Securities evaluated for other than temporary impairment	5
Municipals [Member]
Schedule of Investments [Line Items]
Securities evaluated for other than temporary impairment	12
US Corporation [Member]
Schedule of Investments [Line Items]
Securities evaluated for other than temporary impairment	2

X

- Definition

Number of securities evaluated for other than temporary impairment.

+ References

No definition available.

+ Details

Name:	cik0001275101_NumberOfSecuritiesEvaluatedForOtherThanTemporaryImpairment
Namespace Prefix:	cik0001275101_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	us-gaap_ScheduleOfInvestmentsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration