Condensed Consolidated Statements of Operations Parenthetical - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2014
Depreciation:
Net gain on sale of real and personal property	$ (98,703)	$ (74,631)	$ (33,557)
Related party:
Related party revenues, net of eliminations	32,619	36,173	36,912
Related party, costs and expenses, net of eliminations	$ 57,368	$ 54,709	$ 52,552