Annual report pursuant to Section 13 and 15(d)

Related-Party Transactions (Details Textual)

v3.7.0.1
Related-Party Transactions (Details Textual) - USD ($)
$ in Thousands
1 Months Ended 5 Months Ended 7 Months Ended 12 Months Ended
Jul. 20, 2016
Jul. 19, 2016
Dec. 31, 2016
Jul. 19, 2016
Dec. 31, 2015
Repayments of Subordinated Debt     $ 15,340    
Subordinated Debt [Member]          
Debt Instrument, Interest Rate, Stated Percentage     16.00%    
Repayments of Subordinated Debt     $ 23,600    
Predecessor [Member]          
Related Party Transaction, Expenses from Transactions with Related Party       $ 671 $ 1,200
Repayments of Subordinated Debt       $ 0 0
Limbach Management Holding Company, LLC [Member]          
Repayments of Related Party Debt $ 1,000        
Limbach Management Holding Company, LLC [Member] | Predecessor [Member]          
Proceeds from Contributed Capital   $ 4,000      
Debt Instrument, Interest Rate, Stated Percentage   6.00%   6.00%  
Revenue from Related Parties         50
Limbach Management Holding Company, LLC [Member] | Predecessor [Member] | Notes Payable, Other Payables [Member]          
Proceeds from Contributed Capital   $ 1,000      
FdG Associates LLC [Member] | Predecessor [Member]          
Revenue from Related Parties         250
Due to Related Parties         250
LMHC [Member] | Predecessor [Member]          
Due to Related Parties         $ 50