Consolidated Statements of Comprehensive Loss Statement - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Dec. 31, 2016	Dec. 31, 2015		Dec. 31, 2016	Dec. 31, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ (1,156)	$ 570	[1],[2]	$ (1,000)	$ 859	[3],[4]
Other Comprehensive (Loss) Income, Net of Tax [Abstract]
Change in unrealized (gain) loss of securities available-for sale	(1,836)	(592)		(1,736)	(364)
Reclassification adjustment for sales of available-for-sale securities, net of tax	0	0		58	1
Other Comprehensive Income (Loss), Net of Tax	(1,836)	(592)		(1,794)	(365)
Total comprehensive income (loss), net of tax attributable to Carver Bancorp, Inc.	$ (2,992)	$ (22)	[3]	$ (2,794)	$ 494	[1]

[1] (1) December 31, 2015 amounts have been restated from previously reported results to correct for a material and certain other errors from prior periods. Refer to Note 1 for further detail.

[2] (1) December 31, 2015 amounts have been restated from previously reported results to correct for a material and certain other errors from prior periods. Refer to Note 1 for further detail.

[3] (1) December 31, 2015 amounts have been restated from previously reported results to correct for a material and certain other errors from prior periods. Refer to Note 1 for further detail.

[4] (1) December 31, 2015 amounts have been restated from previously reported results to correct for a material and certain other errors from prior periods. Refer to Note 1 for further detail.