XML 24 R5.htm IDEA: XBRL DOCUMENT v2.4.1.9
Shareholder Fees (Vanguard New Jersey Tax-Exempt Money Market Fund Retail)
Vanguard New Jersey Tax-Exempt Money Market Fund
Vanguard New Jersey Tax-Exempt Money Market Fund - Investor Shares
12/1/2013 - 11/30/2014
USD ($)
Shareholder Fees (fees paid directly from your investment]  
Sales charge (load) imposed on purchases none
Purchase Fee none
Sales charge (load) imposed on reinvested dividends none
Redemption Fee none
Account Service Fee (for certain fund account balances below $10,000) 20rr_MaximumAccountFee
/ dei_LegalEntityAxis
= vanguard_S000002902Member
/ rr_ProspectusShareClassAxis
= vanguard_C000007966Member