- DefinitionAmount of investments in debt and equity securities and other forms of securities that provide ownership interests classified as trading.
Reference 1: http://www.xbrl.org/2003/role/presentationRef
 -Publisher FASB
 -Name Accounting Standards Codification
 -Topic 320
 -SubTopic 10
 -Section 45
 -Paragraph 2
 -URI http://asc.fasb.org/extlink&oid=66010992&loc=d3e26626-111562
Reference 2: http://www.xbrl.org/2003/role/presentationRef
 -Publisher FASB
 -Name Accounting Standards Codification
 -Topic 942
 -SubTopic 210
 -Section S99
 -Paragraph 1
 -Subparagraph (SX 210.9-03.4)
 -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878
Reference 3: http://www.xbrl.org/2003/role/presentationRef
 -Publisher FASB
 -Name Accounting Standards Codification
 -Topic 320
 -SubTopic 10
 -Section 45
 -Paragraph 1
 -URI http://asc.fasb.org/extlink&oid=66010992&loc=d3e26610-111562
Reference 4: http://www.xbrl.org/2003/role/presentationRef
 -Publisher FASB
 -Name Accounting Standards Codification
 -Glossary Trading Securities
 -URI http://asc.fasb.org/extlink&oid=6526789
| Name: | us-gaap_TradingSecurities | 
| Namespace Prefix: | us-gaap_ | 
| Data Type: | xbrli:monetaryItemType | 
| Balance Type: | debit | 
| Period Type: | instant |