Intangible Assets - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization expense related to intangible assets	$ 1,130	$ 841	$ 2,811	$ 2,464
Tradenames
Acquired Finite-Lived Intangible Assets [Line Items]
Indefinite-lived assets acquired			8,200
Customer lists
Acquired Finite-Lived Intangible Assets [Line Items]
Finite lived assets acquired			$ 10,200
Weighted average useful life			10 years
Favorable lease contracts
Acquired Finite-Lived Intangible Assets [Line Items]
Finite lived assets acquired			$ 3,882
Weighted average useful life			6 years