Is a combination of several individual concepts combined for this schedule. The concepts include [1] OtherPrepaidExpenseCurrent: "Carrying amount as of the balance sheet date of expenditures made, not otherwise specified in the taxonomy, in advance of the timing of recognition of expenses which are expected to be charged against earnings within one year or the normal operating cycle, if longer." [2] MarketableSecurities: "Total debt and equity financial instruments including: (1) securities held-to-maturity, (2) trading securities, and (3) securities available-for-sale." [3] DepositsAssets: "Carrying value of amounts transferred to third parties for security purposes that are expected to be returned or applied towards payment in the future." [4] FurnitureAndFixturesGross: "Gross amount, at the balance sheet date, of long-lived, depreciable assets commonly used in offices and stores. Examples include desks, chairs and store fixtures." [5] AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment: "The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement " This is only used in group 102205 that is a summary of AMERCO's balance sheet. Need it on Condensed Consolidated Balance Sheet schedule because of the calculation requirement that states a calculation can only be set once.

No definition available.

Schedule I - Condensed Financial Information of AMERCO (Balance Sheets) (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2014
ASSETS:
Cash and cash equivalents	$ 697,806	$ 600,646	$ 441,850	$ 495,112
Investments in subsidiaries
Related party assets	86,168	85,734
Total assets	9,405,840	8,109,288	6,855,600
Liabilities:
Other Liabilities	6,786,096	5,857,882
Stockholders' equity:
Additional paid-in capital	452,172	451,629
Accumulated other comprehensive loss	(51,236)	(60,525)
Consolidated statement of change in equity
Beginning of period	2,533,641
Net earnings	398,424	489,001	356,741
End of period	2,892,893	2,533,641
Total stockholders' equity	2,619,744	2,251,406
Total liabilities and stockholders' equity	9,405,840	8,109,288
Common Stock in Treasury [Member]
Consolidated statement of change in equity
Cost of shares in treasury	(525,663)	(525,653)
Preferred Stock in Treasury [Member]
Consolidated statement of change in equity
Cost of shares in treasury	(151,997)	(151,997)
Amerco [Member]
ASSETS:
Cash and cash equivalents	361,231	381,690	291,550	$ 321,544
Investments in subsidiaries	1,522,083	1,185,021
Related party assets	1,474,948	1,249,835
Other assets	78,119	94,128
Total assets	3,436,381	2,910,674
Liabilities:
Other Liabilities	809,705	653,082
Stockholders' equity:
Preferred stock
Common stock	10,497	10,497
Additional paid-in capital	452,382	451,839
Accumulated other comprehensive loss	(51,236)	(60,525)
Consolidated statement of change in equity
Beginning of period	2,533,431	2,142,390
Net earnings	398,424	489,001	356,741
Dividends	(39,172)	(97,960)
End of period	2,892,683	2,533,431	$ 2,142,390
Total stockholders' equity	2,626,676	2,257,592
Total liabilities and stockholders' equity	3,436,381	2,910,674
Amerco [Member] \| Common Stock in Treasury [Member]
Consolidated statement of change in equity
Cost of shares in treasury	(525,653)	(525,653)
Amerco [Member] \| Preferred Stock in Treasury [Member]
Consolidated statement of change in equity
Cost of shares in treasury	$ (151,997)	$ (151,997)