ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Textual) - $ / shares	Jun. 30, 2015	Mar. 31, 2015
Organization And Summary Of Significant Accounting Policies [Line Items]
Beneficial assignee certificate, par value (in dollars per unit)	$ 10	$ 10
Limited Partners' Capital Account, Units Authorized	20,000,000	20,000,000
Limited Partners' Capital Account, Units Issued	18,679,738	18,679,738
Limited Partners' Capital Account, Units Outstanding	18,588,788	18,588,788
Series Seven [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Beneficial assignee certificate, par value (in dollars per unit)	$ 10	$ 10
Limited Partners' Capital Account, Units Authorized	20,000,000	20,000,000
Limited Partners' Capital Account, Units Issued	1,036,100	1,036,100
Limited Partners' Capital Account, Units Outstanding	1,036,100	1,036,100
Series Nine [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Beneficial assignee certificate, par value (in dollars per unit)	$ 10	$ 10
Limited Partners' Capital Account, Units Authorized	20,000,000	20,000,000
Limited Partners' Capital Account, Units Issued	4,178,029	4,178,029
Limited Partners' Capital Account, Units Outstanding	4,156,429	4,156,429
Series Ten [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Beneficial assignee certificate, par value (in dollars per unit)	$ 10	$ 10
Limited Partners' Capital Account, Units Authorized	20,000,000	20,000,000
Limited Partners' Capital Account, Units Issued	2,428,925	2,428,925
Limited Partners' Capital Account, Units Outstanding	2,421,225	2,421,225
Series Eleven [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Beneficial assignee certificate, par value (in dollars per unit)	$ 10	$ 10
Limited Partners' Capital Account, Units Authorized	20,000,000	20,000,000
Limited Partners' Capital Account, Units Issued	2,489,599	2,489,599
Limited Partners' Capital Account, Units Outstanding	2,486,499	2,486,499
Series Twelve [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Beneficial assignee certificate, par value (in dollars per unit)	$ 10	$ 10
Limited Partners' Capital Account, Units Authorized	20,000,000	20,000,000
Limited Partners' Capital Account, Units Issued	2,972,795	2,972,795
Limited Partners' Capital Account, Units Outstanding	2,947,595	2,947,595
Series Fourteen [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Beneficial assignee certificate, par value (in dollars per unit)	$ 10	$ 10
Limited Partners' Capital Account, Units Authorized	20,000,000	20,000,000
Limited Partners' Capital Account, Units Issued	5,574,290	5,574,290
Limited Partners' Capital Account, Units Outstanding	5,540,940	5,540,940

BOSTON CAPITAL TAX CREDIT FUND II LTD PARTNERSHIP 10-Q