Equity - Narrative (Details) $ / shares in Units, $ in Thousands			3 Months Ended
	Jan. 02, 2019 USD ($) $ / shares shares	Oct. 05, 2018 USD ($) day	Mar. 31, 2019 USD ($) shares	Mar. 31, 2018 USD ($)
Class of Stock [Line Items]
Rights offering, aggregate offering price		$ 32,500
Percentage of nonrefundable cash payments		1.00%
Required period for registration statement (in days) | day		20
Proceeds from the issuance of stock			$ 31,057	$ 0
Payments on bridge term loan			$ 31,382	$ 0
Shares outstanding of Successor Company (in shares) | shares	15,614,981
Bridge Term Loan
Class of Stock [Line Items]
Conversion of loan to common stock	$ 1,100
Payments on bridge term loan	31,400
Common Stock
Class of Stock [Line Items]
Issuance of common stock for rights offering (in shares) | shares			3,382,000
Rights Offering | Common Stock
Class of Stock [Line Items]
Rights offering, aggregate offering price	$ 31,400
Aggregate shares sold (in shares) | shares	3,381,894
Purchase price (usd per share) | $ / shares	$ 9.61
Proceeds from the issuance of stock	$ 31,400
Issuance of common stock for rights offering (in shares) | shares	3,381,894
Two Largest Shareholders
Class of Stock [Line Items]
Percentage of stock held by largest shareholders		90.00%