BUSINESS COMBINATION (Details1) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
	Feb. 27, 2017	Mar. 31, 2017	Dec. 31, 2016	Mar. 31, 2016
Public share proceeds(1)		$ 64,577
Issuance of Series A Convertible Preferred Stock		65,000
Term Loan Facility		250,000
Repayment of debt		$ 220,406		$ 16,487
Common stock shares outstanding		37,715,960	37,715,960
Shares outstanding value (par value)		$ 0.0001	$ 0.0001
Hennessy Capital Acquisition Corp II and HCAC Merger Sub Inc
Public share proceeds(1)	$ 83,429
Issuance of Series A Convertible Preferred Stock	65,000
Term Loan Facility	250,000
Cash(2)	3,209
Total proceeds	401,638
Payment of deferred financing fees (7)	14,148
Hennessy transaction costs	19,063
Daseke transaction costs(9)	1,204	$ 400	$ 800
Total use of proceeds	366,972
Net cash received	$ 34,666
Common stock shares outstanding	37,715,960	8,342,918
Shares outstanding value (par value)		$ 10.00
Hennessy Capital Acquisition Corp II and HCAC Merger Sub Inc | Main Street Capital Corporation and Prudential Capital Partners
Repayment of debt	$ 36,168
Hennessy Capital Acquisition Corp II and HCAC Merger Sub Inc | Interest Expense
Excludes fees paid subsequent to closing	81
Hennessy Capital Acquisition Corp II and HCAC Merger Sub Inc | Line of credit
Repayment of debt	16,717
Hennessy Capital Acquisition Corp II and HCAC Merger Sub Inc | Line of credit | Interest Expense
Payment of accrued interest	59
Hennessy Capital Acquisition Corp II and HCAC Merger Sub Inc | Senior term loan
Repayment of debt	122,724
Hennessy Capital Acquisition Corp II and HCAC Merger Sub Inc | Senior term loan | Interest Expense
Payment of accrued interest	422
Hennessy Capital Acquisition Corp II and HCAC Merger Sub Inc | Equipment term loans
Repayment of debt	89,488
Hennessy Capital Acquisition Corp II and HCAC Merger Sub Inc | Equipment term loans | Interest Expense
Payment of accrued interest	731
Hennessy Capital Acquisition Corp II and HCAC Merger Sub Inc | Subordinated Debt.
Repayment of debt	67,460
Hennessy Capital Acquisition Corp II and HCAC Merger Sub Inc | Subordinated Debt. | Interest Expense
Payment of accrued interest	$ 745