Related Party Costs and Expenses (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Related party cost and expense:
Related party costs and expenses	$ 15,001	$ 13,970
Sac Holdings [Member]
Related party cost and expense:
U-Haul lease expenses	655	655
U-Haul commission expenses	13,484	12,520
Private Mini [Member]
Related party cost and expense:
U-Haul commission expenses	$ 862	$ 795