Revenue Recognition (Table Text Block)	3 Months Ended
	Jun. 30, 2022
Revenue From Contract With Customer [Abstract]
Next five years and thereafter revenue	Years Ending June 30,     2023   2024   2025   2026   2027   Thereafter     (Unaudited)     (In thousands)                           Self-moving equipment rentals $ 7,215 $ – $ – $ – $ – $ – Property lease revenues   17,434   11,177   8,425   6,587   4,946   38,344 Total$ 24,649 $ 11,177 $ 8,425 $ 6,587 $ 4,946 $ 38,344
Disaggregation Of Revenue	Quarter Ended June 30,     2022   2021     (Unaudited)     (In thousands)           Revenues recognized over time: $   103,194 $   79,815 Revenues recognized at a point in time:   126,355   120,718 Total revenues recognized under ASC 606   229,549   200,533           Revenues recognized under ASC 842   1,288,031   1,191,010 Revenues recognized under ASC 944   46,687   46,314 Revenues recognized under ASC 320   33,573   34,999 Total revenues$  1,597,840 $  1,472,856