Business Combinations (Details) - USD ($) $ in Thousands		12 Months Ended
	Mar. 15, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Business acquisition
Net cash received from Recapitalization			$ 218,752
Plus: non-cash contribution - forgiveness of related party loan			104,285
Less: non-cash net liabilities assumed from PEAC			(8,840)
Payment of Historical ABL facility		$ 74,500	48,790	$ 40,076
Total cash received from affiliates			39,107	346,710
Cash paid to Algeco Seller				$ 26,738
Arrow holdings S.a.r.l.
Business acquisition
Transaction bonus amounts			28,519
Payment of Historical ABL facility			9,904
Payment of affiliate amounts			684
Total cash received from affiliates			39,107
Cash paid to Algeco Seller			563,134
Target Parent and Arrow Parent
Business acquisition
Aggregate purchase price	$ 1,311,000
Acquisition price paid in form of cash	563,100
Paid to the seller	$ 747,900
Cash - Platinum Eagle's Trust (net of redemptions)			146,137
Cash - PIPE			80,000
Gross cash received by Target Hospitality from Business Combination			226,137
Less: fees to underwriters			(7,385)
Net cash received from Recapitalization			218,752
Plus: non-cash contribution - forgiveness of related party loan			104,285
Less: non-cash net liabilities assumed from PEAC			(8,840)
Net contributions from Recapitalization Transaction			$ 314,197
Arrow Seller
Business acquisition
Shares issued	49,100,000
Algeco Seller
Business acquisition
Shares issued	25,686,327