- Definition
                The entire disclosure for  investments in certain debt and equity securities.
               
+ 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=27724398&loc=d3e27290-111563
Reference 2: http://www.xbrl.org/2003/role/presentationRef
 -Publisher FASB
 -Name Accounting Standards Codification
 -Topic 320
 -SubTopic 10
 -Section 50
 -Paragraph 9
 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27357-111563
Reference 3: http://www.xbrl.org/2003/role/presentationRef
 -Publisher FASB
 -Name Accounting Standards Codification
 -Topic 320
 -Glossary Debt Security
 -URI http://asc.fasb.org/extlink&oid=6509901
Reference 4: http://www.xbrl.org/2003/role/presentationRef
 -Publisher FASB
 -Name Accounting Standards Codification
 -Topic 310
 -SubTopic 30
 -Section 50
 -Paragraph 2
 -URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544
Reference 5: http://www.xbrl.org/2003/role/presentationRef
 -Publisher FASB
 -Name Accounting Standards Codification
 -Topic 320
 -SubTopic 10
 -Section 50
 -Paragraph 5
 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563
Reference 6: http://www.xbrl.org/2003/role/presentationRef
 -Publisher FASB
 -Name Accounting Standards Codification
 -Topic 942
 -SubTopic 320
 -Section 50
 -Paragraph 2
 -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62557-112803
Reference 7: http://www.xbrl.org/2003/role/presentationRef
 -Publisher FASB
 -Name Accounting Standards Codification
 -Topic 320
 -SubTopic 10
 -Section 50
 -Paragraph 2
 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563
Reference 8: http://www.xbrl.org/2003/role/presentationRef
 -Publisher FASB
 -Name Accounting Standards Codification
 -Topic 320
 -SubTopic 10
 -Section 50
 -Paragraph 10
 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27405-111563
Reference 9: http://www.xbrl.org/2003/role/presentationRef
 -Publisher FASB
 -Name Accounting Standards Codification
 -Topic 320
 -Glossary Equity Security
 -URI http://asc.fasb.org/extlink&oid=6511694
               
+ Details
                
                  
                    |  Name: | 
                    us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock | 
                  
                  
                    |  Namespace Prefix: | 
                    us-gaap_ | 
                  
                  
                    |  Data Type: | 
                    nonnum:textBlockItemType | 
                  
                  
                    |  Balance Type: | 
                    na | 
                  
                  
                    |  Period Type: | 
                    duration |