Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2020	Mar. 31, 2019
ASSETS:
Cash and cash equivalents	$ 494,352	$ 673,701
Reinsurance recoverables and trade receivables, net	186,672	224,785
Inventories, net	101,083	103,504
Prepaid expenses	562,904	174,100
Investments, fixed maturities and marketable equities	2,492,738	2,235,397
Investments, other	360,373	300,736
Deferred policy acquisition costs, net	103,118	136,276
Other assets	71,956	78,354
Right of use assets, financing, net	1,080,353	0
Right of use assets, operating	106,631	0
Related party assets	34,784	30,889
Subtotal assets	5,594,964	3,957,742
Property, plant and equipment, at cost:
Land	1,032,945	976,454
Buildings and improvements	4,663,461	4,003,726
Furniture and equipment	752,363	689,780
Property, plant and equipment (gross)	10,556,222	11,022,027
Less: Accumulated depreciation	(2,713,162)	(3,088,056)
Total property, plant and equipment	7,843,060	7,933,971
Total assets	13,438,024	11,891,713
Liabilities:
Accounts payable and accrued expenses	554,353	556,873
Notes, loans and leases payable	4,621,291	4,163,323
Operating lease liabilities	106,443	0
Policy benefits and losses, claims and loss expenses payable	997,647	1,011,183
Liabilities from investment contracts	1,802,217	1,666,742
Other policyholders' funds and liabilities	10,190	15,047
Deferred income	31,620	35,186
Deferred income taxes, net	1,093,543	750,970
Total liabilities	9,217,304	8,199,324
Commitments and contingencies (notes 9, 16, 17 and 18)
Stockholders' equity:
Additional paid-in capital	453,819	453,326
Accumulated other comprehensive loss	34,652	(66,698)
Retained earnings	4,399,402	3,976,962
Unearned employee stock ownership plan shares	0	(4,048)
Total stockholders' equity	4,220,720	3,692,389
Total liabilities and stockholders' equity	13,438,024	11,891,713
Series A Preferred Stock [Member]
Stockholders' equity:
Preferred stock, value, issued	0	0
Series B Preferred Stock [Member]
Stockholders' equity:
Preferred stock, value, issued	0	0
Series A Common Stock [Member]
Stockholders' equity:
Common stock, value, issued	0	0
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	511,520	590,039
Rental Trucks [Member]
Property, plant and equipment, at cost:
Property subject to or available for operating lease, gross	$ 3,595,933	$ 4,762,028