 | us-gaap:StockIssuedDuringPeriodSharesNewIssues | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncome |
 | us-gaap:StockIssuedDuringPeriodSharesIssuedForServices | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncome |
 | us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncome |
 | us-gaap:StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncome |
 | us-gaap:StockIssuedDuringPeriodSharesEmployeeStockOwnershipPlan | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncome |
 | us-gaap:StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncome |
 | us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncome |
 | us-gaap:StockIssuedDuringPeriodSharesAcquisitions | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncome |
 | us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncome |
 | us-gaap:StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncome |
 | us-gaap:StockIssuedDuringPeriodSharesConversionOfUnits | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncome |
 | us-gaap:StockIssuedDuringPeriodSharesDividendReinvestmentPlan | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncome |
 | us-gaap:StockIssuedDuringPeriodSharesPurchaseOfAssets | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncome |
 | us-gaap:StockIssuedDuringPeriodSharesOther | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncome |
 | us-gaap:StockIssuedDuringPeriodSharesTreasuryStockReissued | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncome |
 | us-gaap:StockIssuedDuringPeriodSharesStockSplits | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncome |
 | us-gaap:StockIssuedDuringPeriodSharesReverseStockSplits | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncome |
 | us-gaap:StockRepurchasedAndRetiredDuringPeriodShares | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncome |
 | us-gaap:StockRepurchasedDuringPeriodShares | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncome |
 | us-gaap:StockRedeemedOrCalledDuringPeriodShares | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncome |
 | us-gaap:TreasuryStockSharesAcquired | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncome |
 | us-gaap:StockholdersEquityOtherShares | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncome |
 | us-gaap:StockIssuedDuringPeriodSharesEmployeeBenefitPlan | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncome |