Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2015	Mar. 31, 2015
ASSETS:
Cash and cash equivalents	$ 961,647	$ 441,850
Reinsurance recoverables and trade receivables, net	176,128	189,869
Inventories, net	72,022	69,472
Prepaid expenses	51,961	126,296
Investments, fixed maturities and marketable equities	1,360,780	1,304,962
Investments, other	330,233	268,720
Deferred policy acquisition costs, net	125,052	115,422
Other assets	93,508	106,157
Related party assets	83,917	141,790
Subtotal assets	3,255,248	2,764,538
Property, plant and equipment, at cost:
Land	521,964	467,482
Buildings and improvements	1,930,042	1,728,033
Furniture and equipment	370,557	355,349
Property, plant and equipment, gross	6,366,835	6,047,493
Less: Accumulated depreciation	(2,021,538)	(1,939,856)
Total property, plant and equipment	4,345,297	4,107,637
Total assets	7,600,545	6,872,175
Liabilities:
Accounts payable and accrued expenses	508,453	496,370
Notes, loans and leases payable	2,483,190	2,190,869
Policy benefits and losses, claims and loss expenses payable	1,072,884	1,062,188
Liabilities from investment contracts	810,474	685,745
Other policyholders' funds and liabilities	11,683	7,764
Deferred income	20,333	18,081
Deferred income taxes, net	549,910	526,799
Total liabilities	$ 5,456,927	$ 4,987,816
Commitments and contingencies (notes 4, 8 and 9)
Stockholders' equity:
Additional paid-in capital	$ 450,830	$ 449,668
Accumulated other comprehensive loss	(55,706)	(34,365)
Retained earnings	2,418,890	2,142,600
Unearned employee stock ownership plan shares	(3,243)	(6,391)
Total stockholders' equity	2,143,618	1,884,359
Total liabilities and stockholders' equity	$ 7,600,545	$ 6,872,175
Series A Preferred Stock [Member]
Stockholders' equity:
Preferred stock, value, issued
Series B Preferred Stock [Member]
Stockholders' equity:
Preferred stock, value, issued
Series A Common Stock [Member]
Stockholders' equity:
Common stock, value, issued
Amerco Common Stock [Member]
Stockholders' equity:
Common stock, value, issued	$ 10,497	$ 10,497
Common Stock in Treasury [Member]
Stockholders' equity:
Treasury stock, value	(525,653)	(525,653)
Preferred Stock in Treasury [Member]
Stockholders' equity:
Treasury stock, value	(151,997)	(151,997)
Rental Trailers and Other Rental Equipment [Member]
Property, plant and equipment, at cost:
Property subject to or available for operating lease, gross	458,472	436,642
Rental Trucks [Member]
Property, plant and equipment, at cost:
Property subject to or available for operating lease, gross	$ 3,085,800	$ 3,059,987