Annual report pursuant to Section 13 and 15(d)

Segment Reporting (Narrative) (Details)

v2.4.1.9
Segment Reporting (Narrative) (Details) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Segment Reporting Information [Line Items]      
Number of business segments 3us-gaap_NumberOfReportableSegments    
Foreign Locations [Member]      
Segment Reporting Information [Line Items]      
Revenue $ 0us-gaap_Revenues
/ us-gaap_StatementGeographicalAxis
= us-gaap_ForeignCountryMember
$ 0us-gaap_Revenues
/ us-gaap_StatementGeographicalAxis
= us-gaap_ForeignCountryMember
$ 0us-gaap_Revenues
/ us-gaap_StatementGeographicalAxis
= us-gaap_ForeignCountryMember
Long lived assets $ 0us-gaap_NoncurrentAssets
/ us-gaap_StatementGeographicalAxis
= us-gaap_ForeignCountryMember
$ 0us-gaap_NoncurrentAssets
/ us-gaap_StatementGeographicalAxis
= us-gaap_ForeignCountryMember