Transition report pursuant to Rule 13a-10 or 15d-10

Subsequent Events (Details Textual)

v3.10.0.1
Subsequent Events (Details Textual) - USD ($)
2 Months Ended 9 Months Ended 11 Months Ended
Dec. 06, 2018
Sep. 07, 2018
Aug. 01, 2017
May 31, 2017
Dec. 31, 2017
Dec. 05, 2018
Oct. 09, 2018
Line of Credit Facility, Maximum Borrowing Capacity           $ 60,000,000 $ 1,500,000
Amount Of Restricted Cash Withdrawn $ 305,000            
Common Stock, Shares Authorized 500,000,000            
Preferred Stock, Shares Authorized 10,000,000       1,000,000 1,000,000  
Stock Issued During Period, Shares, New Issues       25,000      
Stock Issued During Period, Value, New Issues     $ 230,000,000   $ 25,000    
Issued and outstanding Common sharespercentage Description Peninsula owns more than 25% of the issued and outstanding shares of New CPH’s common stock.            
Director two [Member]              
Issued and outstanding Common sharespercentage 25.00%            
Maximum [Member] | Director one [Member]              
Issued and outstanding Common sharespercentage 15.00%            
Minimum [Member] | Director one [Member]              
Issued and outstanding Common sharespercentage 5.00%            
Subsequent Event [Member]              
Business Combination, Consideration Transferred $ 182,500,000            
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares 13,947,323            
Business Acquisition, Share Price $ 10.20            
Shares Issued, Price Per Share $ 12.00            
Debt Instrument, Annual Principal Payment $ 357,000,000            
Debt Instrument, Interest Rate, Stated Percentage 6.00%            
Line of Credit Facility, Remaining Borrowing Capacity $ 7,500,000            
Applicable Margin For Borrowings Percentage 0.25%            
Percentage of Excess of Availability Levels With ABL Credit Agreement 0.50%            
Aggregate Principal Amount Not Exceding Revolving Commitments $ 30,000,000            
Subsequent Event [Member] | Base Rate [Member]              
Debt Instrument, Interest Rate, Stated Percentage 5.00%            
Subsequent Event [Member] | Term Loan [Member]              
Percentage Of Principal Amount Payable As Amortization Payments 5.00%            
Subsequent Event [Member] | Concrete Pumping Holdings Acquisition Corp [Member]              
Number Of Options Converted 2,783,479            
Sponsor [Member]              
Number Of Shares Surrendered   1,202,925          
Argand Partners Fund LP [Member]              
Business Acquisition, Share Price   $ 10.20          
Common Stock To Be Issued Number   5,333,333          
Common Stock To Be Issued Value   $ 54,400,000          
Additional Common Stock To Be Issued Number   2,450,980          
Additional Common Stock To Be Issued Value   $ 25,000,000          
Stock Issued During Period, Shares, New Issues   1,715,686          
Shares Issued, Price Per Share   $ 10.20          
Stock Issued During Period, Value, New Issues   $ 17,500,000          
Additional common shares issued   190,632          
Nuveen Alternatives Advisors LLC [Member] | Subsequent Event [Member]              
Preferred stock subscription Agreement Description for so long as Nuveen owns an aggregate of 5% or more of the aggregate number of outstanding shares of New CPH’s common stock, including the stock into which the Series A Preferred Stock (as defined below) is convertible, and any securities into which New CPH’s common stock may be reclassified            
Common Class A [Member]              
Common Stock, Shares Authorized         200,000,000 200,000,000  
Stock Redeemed or Called During Period, Shares 22,337,322       21,815,963 (697,696)  
Common Stock Redemption Price Per Share $ 10.36            
Stock Issued During Period, Shares, New Issues         0    
Stock Issued During Period, Value, New Issues         $ 0    
Series A Preferred Stock [Member]              
Stock Issued During Period, Shares, New Issues   2,450,980          
Shares Issued, Price Per Share   $ 10.20          
Stock Issued During Period, Value, New Issues   $ 25,000,000