Consolidated Statements of Comprehensive Loss Statement (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Statement of Comprehensive Income [Abstract]
Net income attributable to Carver Bancorp, Inc.	$ 173	$ 410
Other Comprehensive (Loss) Income, Net of Tax [Abstract]
Change in unrealized loss of securities available-for sale	1,562	(4,119)
Reclassification adjustment for sales of available-for-sale securities, net of tax	4	278
Other Comprehensive Income (Loss), Net of Tax	1,558	(4,397)
Total comprehensive income (loss), net of tax attributable to Carver Bancorp, Inc.	$ 1,731	$ (3,987)