Net Assets in Liquidation - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	3 Months Ended
	Apr. 30, 2017	Jun. 30, 2017	Mar. 31, 2017
Summary of Liquidation [Line Items]
Payments for liquidating distributions	$ 32,500
Liquidating distributions to stockholders (in dollars per share)	$ 0.10
Disposal Group, Not Discontinued Operations
Summary of Liquidation [Line Items]
Common stock received as consideration (in shares)	8,851,264
Equity received from disposal group	$ 672,700
Equity received from disposal group per share (in dollars per share)	$ 2.07
Liquidation Basis
Summary of Liquidation [Line Items]
Estimated value of net assets in liquidation as of March 31, 2017		$ 52,937	$ 753,635
Decrease in net assets in liquidation		700,700
Liquidating distributions to stockholders	$ 705,200	$ (705,214)