Earnings (loss) per Share - Computation of Basic and Diluted Loss Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Basic and diluted:
Net loss	$ (68,399)	$ (32,607)
Weighted-average common shares (in shares)	5,472	5,368
Basic and diluted net loss per share (in dollars per share)	$ (12.50)	$ (6.07)