Revenue Recognition (Table Text Block)	3 Months Ended	9 Months Ended
	Dec. 31, 2021	Dec. 31, 2022
Revenue From Contract With Customer [Abstract]
Disaggregation Of Revenue		Year Ending December 31,     2023   2024   2025   2026   2027   Thereafter     (Unaudited)     (In thousands)                           Self-moving equipment rentals $ 5,724 $ – $ – $ – $ – $ – Property lease revenues   20,136   12,290   9,403   7,634   5,095   39,749 Total$ 25,860 $ 12,290 $ 9,403 $ 7,634 $ 5,095 $ 39,749
Next five years and thereafter revenue	Quarter Ended December 31,     2022   2021     (Unaudited)     (In thousands)           Revenues recognized over time: $   69,797 $   73,785 Revenues recognized at a point in time:   92,698   90,763 Total revenues recognized under ASC 606   162,495   164,548           Revenues recognized under ASC 842   1,110,247   1,154,751 Revenues recognized under ASC 944   50,300   53,853 Revenues recognized under ASC 320   52,294   31,184 Total revenues$  1,375,336 $  1,404,336	Nine Months Ended December 31,     2022   2021     (Unaudited)     (In thousands)           Revenues recognized over time: $   300,082 $   261,638 Revenues recognized at a point in time:   338,019   322,405 Total revenues recognized under ASC 606   638,101   584,043           Revenues recognized under ASC 842   3,772,203   3,701,695 Revenues recognized under ASC 944   149,360   152,745 Revenues recognized under ASC 320   116,376   102,963 Total revenues$  4,676,040 $  4,541,446