- DefinitionThe entire disclosure for  investments in certain debt and equity securities.
 
+ ReferencesReference 1: http://fasb.org/us-gaap/role/ref/legacyRef
 -Publisher FASB
 -Name Accounting Standards Codification
 -Topic 942
 -SubTopic 320
 -URI http://asc.fasb.org/subtopic&trid=2209399
Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
 -Publisher FASB
 -Name Accounting Standards Codification
 -Topic 946
 -SubTopic 320
 -URI http://asc.fasb.org/subtopic&trid=2324412
Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
 -Publisher FASB
 -Name Accounting Standards Codification
 -Topic 320
 -URI http://asc.fasb.org/topic&trid=2196928
Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
 -Publisher FASB
 -Name Accounting Standards Codification
 -Topic 940
 -SubTopic 320
 -URI http://asc.fasb.org/subtopic&trid=2176304
Reference 5: http://www.xbrl.org/2003/role/disclosureRef
 -Publisher SEC
 -Name Regulation S-K (SK)
 -Number 229
 -Section 1403
 -Paragraph (b)
 
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|  Namespace Prefix: | 
us-gaap_ | 
|  Data Type: | 
dtr-types:textBlockItemType | 
|  Balance Type: | 
na | 
|  Period Type: | 
duration |