XML 21 R48.htm IDEA: XBRL DOCUMENT v2.4.1.9
Organization - Additional Information (Narrative) (Details)
Dec. 31, 2014
jurisdiction
Organization And Basis Of Presentation [Line Items]  
Number of foreign jurisdiction 6us-gaap_NumberOfCountriesInWhichEntityOperates
Americas  
Organization And Basis Of Presentation [Line Items]  
Number of offices providing services 92us-gaap_NumberOfStores
/ us-gaap_StatementGeographicalAxis
= country_US
Number of states which operates 24us-gaap_NumberOfStatesInWhichEntityOperates
/ us-gaap_StatementGeographicalAxis
= country_US