XML 68 R34.htm IDEA: XBRL DOCUMENT v2.4.0.6

Summary of Operations and Significant Accounting Policies (Details 1)	12 Months Ended
	Dec. 31, 2012
Buildings [Member]
Summary of property, equipment and software over estimated useful life
Property, Plant and Equipment, Useful Life	39 years
Office furniture and fixtures [Member]
Summary of property, equipment and software over estimated useful life
Property, Plant and Equipment, Useful Life	7 years
Computer hardware and software [Member] | Maximum [Member]
Summary of property, equipment and software over estimated useful life
Property, Plant and Equipment, Useful Life	10 years
Computer hardware and software [Member] | Minimum [Member]
Summary of property, equipment and software over estimated useful life
Property, Plant and Equipment, Useful Life	3 years
Aircraft [Member]
Summary of property, equipment and software over estimated useful life
Property, Plant and Equipment, Useful Life	20 years
Leasehold improvements [Member]
Summary of property, equipment and software over estimated useful life
Leasehold improvements	Life of lease

X

- Details

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

X

- Definition

Describes the periods of time over which an entity anticipates to receive utility from its property, plant and equipment (that is, the periods of time over which an entity allocates the initial cost of its property, plant and equipment).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6367646&loc=d3e18780-107790



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-URI http://asc.fasb.org/subtopic&trid=2155824

+ Details

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

X

- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration