Open Option Contracts Written [Line Items]

NameOpenOptionContractsWrittenLineItems
Namespacehttp://fasb.org/us-gaap/2020-01-31
Prefixus-gaap
Data typexbrli:stringItemType
Period typeduration
Substitution Groupxbrli:item
BalanceNone
NillableTrue
AbstractTrue

Labels

TextLangRoleContainer role
Open Option Contracts Written [Line Items]en-UShttp://www.xbrl.org/2003/role/labelhttp://www.xbrl.org/2003/role/link

Related Child Concepts

NameRelation TypeRole
us-gaap:OpenOptionContractsWrittenNumberOfContracts
parent-childhttp://fasb.org/us-gaap/role/disclosure/OpenOptionContractsWritten
us-gaap:OpenOptionContractsWrittenNumberOfShares
parent-childhttp://fasb.org/us-gaap/role/disclosure/OpenOptionContractsWritten
us-gaap:OpenOptionContractsWrittenExercisePrice
parent-childhttp://fasb.org/us-gaap/role/disclosure/OpenOptionContractsWritten
us-gaap:OpenOptionContractsWrittenExpirationDates
parent-childhttp://fasb.org/us-gaap/role/disclosure/OpenOptionContractsWritten
us-gaap:OpenOptionContractsWrittenPremiums
parent-childhttp://fasb.org/us-gaap/role/disclosure/OpenOptionContractsWritten
us-gaap:OpenOptionContractsWrittenAtFairValue
parent-childhttp://fasb.org/us-gaap/role/disclosure/OpenOptionContractsWritten
us-gaap:OpenOptionContractsWrittenTable
allhttp://fasb.org/us-gaap/role/disclosure/OpenOptionContractsWritten
us-gaap:OpenOptionContractsWrittenNumberOfContracts
domain-memberhttp://fasb.org/us-gaap/role/disclosure/OpenOptionContractsWritten
us-gaap:OpenOptionContractsWrittenNumberOfShares
domain-memberhttp://fasb.org/us-gaap/role/disclosure/OpenOptionContractsWritten
us-gaap:OpenOptionContractsWrittenExercisePrice
domain-memberhttp://fasb.org/us-gaap/role/disclosure/OpenOptionContractsWritten
us-gaap:OpenOptionContractsWrittenExpirationDates
domain-memberhttp://fasb.org/us-gaap/role/disclosure/OpenOptionContractsWritten
us-gaap:OpenOptionContractsWrittenPremiums
domain-memberhttp://fasb.org/us-gaap/role/disclosure/OpenOptionContractsWritten
us-gaap:OpenOptionContractsWrittenAtFairValue
domain-memberhttp://fasb.org/us-gaap/role/disclosure/OpenOptionContractsWritten

Related Parent Concepts

NameRelation TypeRole
us-gaap:OpenOptionContractsWrittenTable
parent-childhttp://fasb.org/us-gaap/role/disclosure/OpenOptionContractsWritten