Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2015	Mar. 31, 2015
ASSETS:
Cash and cash equivalents	$ 475,562	$ 441,850
Reinsurance recoverables and trade receivables, net	209,274	189,869
Inventories, net	69,889	69,472
Prepaid expenses	67,511	126,296
Investments, fixed maturities and marketable equities	1,334,199	1,304,962
Investments, other	322,894	268,720
Deferred policy acquisition costs, net	115,388	115,422
Other assets	96,097	106,157
Related party assets	134,653	141,790
Subtotal assets	2,825,467	2,764,538
Property, plant and equipment, at cost:
Land	488,931	467,482
Buildings and improvements	1,812,899	1,728,033
Furniture and equipment	359,500	355,349
Property, plant and equipment (gross)	6,244,338	6,047,493
Less: Accumulated depreciation	(1,979,171)	(1,939,856)
Total property, plant and equipment	4,265,167	4,107,637
Total assets	7,090,634	6,872,175
Liabilities:
Accounts payable and accrued expenses	470,925	495,135
Notes, loans and leases payable	2,192,671	2,190,869
Policy benefits and losses, claims and loss expenses payable	1,074,173	1,062,188
Liabilities from investment contracts	711,782	685,745
Other policyholders' funds and liabilities	13,467	8,999
Deferred income	26,438	18,081
Deferred income taxes, net	552,117	526,799
Total liabilities	$ 5,041,573	$ 4,987,816
Commitments and contingencies (notes 4, 8 and 9)
Stockholders' equity:
Additional paid-in capital	$ 450,203	$ 449,668
Accumulated other comprehensive loss	(22,818)	(34,365)
Retained earnings	2,294,291	2,142,600
Unearned employee stock ownership plan shares	(5,462)	(6,391)
Total stockholders' equity	2,049,061	1,884,359
Total liabilities and stockholders' equity	$ 7,090,634	$ 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	449,810	436,642
Rental Trucks [Member]
Property, plant and equipment, at cost:
Property subject to or available for operating lease, gross	$ 3,133,198	$ 3,059,987