Summary of Components Included in Reorganization Items (Detail) $ in Thousands	3 Months Ended
	Jun. 30, 2017 USD ($)
Reorganizations [Abstract]
Professional fees	$ 5,165
Sale-leaseback contract terminations	208,141	[1]
Debt related costs	99,870	[2]
Total reorganization items	$ 313,176	[3]

[1] Represents the lessors’ claims reserve of $323.6 million plus leasehold improvements to vessels underlying sale leaseback transactions of $1.7 million, partially offset by the recognition of remaining deferred gains of $105.9 million and accrued liabilities associated with the recognition of lease expense on a straight-line basis of $11.3 million.

[2] Represents primarily $94.8 million of make-whole claims on the Senior Notes and $5.1 of unamortized debt issue costs related to the revolver, term loan and Senior Notes.

[3] Refer to Note (4) for additional information regarding reorganization items.