Liquidating Distributions - Additional Information (Detail) - USD ($) $ in Thousands	Sep. 30, 2019	Mar. 31, 2019
Distribution Made to Limited Partner [Line Items]
Liquidating Distributions Payable	$ 343,874	$ 1,785
Resolved Term Loan Avoidance Action Claims [Member]
Distribution Made to Limited Partner [Line Items]
Liquidating Distributions Payable	16,000
General Unsecured Claims [Member]
Distribution Made to Limited Partner [Line Items]
Liquidating Distributions Payable	1,800
GUC Trust Units [Member]
Distribution Made to Limited Partner [Line Items]
Liquidating Distributions Payable	$ 326,100