Merger - Summary of Recognized Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019	Sep. 10, 2019
Business Acquisition [Line Items]
Goodwill	$ 9,978	$ 9,978
ATRM Holdings, Inc.
Business Acquisition [Line Items]
Cash and cash equivalents			$ 0
Accounts receivable, net			2,831
Inventory, net			1,609
Other current assets			733
Property and equipment, net			840
Operating Lease Right-of-use assets, net			495
Accounts payable and other accrued liabilities			(10,851)
Debt and notes payable			(5,144)
Lease liability			(499)
Deferred income taxes			(265)
Net assets acquired (liabilities assumed)			(10,251)
Goodwill			8,233
Intangibles			19,470
Estimated purchase price			17,452
ATRM Holdings, Inc. | As originally reported
Business Acquisition [Line Items]
Cash and cash equivalents			0
Accounts receivable, net			2,831
Inventory, net			1,609
Other current assets			481
Property and equipment, net			840
Operating Lease Right-of-use assets, net			495
Accounts payable and other accrued liabilities			(10,851)
Debt and notes payable			(5,144)
Lease liability			(499)
Deferred income taxes			0
Net assets acquired (liabilities assumed)			(10,238)
Goodwill			8,230
Intangibles			19,460
Estimated purchase price			17,452
ATRM Holdings, Inc. | Measurement period adjustments
Business Acquisition [Line Items]
Other current assets			252
Deferred income taxes			(265)
Net assets acquired (liabilities assumed)			(13)
Goodwill			3
Intangibles			$ 10