Revolving Credit Facilities and Other Debt Obligations (Details) (USD $) | 0 Months Ended | 3 Months Ended | 0 Months Ended | 12 Months Ended | 1 Months Ended | 0 Months Ended | | | | | | |
13-May-14 | Mar. 31, 2015 | Apr. 29, 2014 | Dec. 31, 2014 | Nov. 30, 2010 | Mar. 12, 2013 | Aug. 31, 2014 | Dec. 31, 2013 | Jun. 30, 2013 | Nov. 24, 2010 | Feb. 21, 2014 | Sep. 30, 2014 |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Line of Credit, Current | | $144,391,000 | | $142,709,000 | | | | | | | | |
Revolving credit facility | | 2,381,000 | | 1,781,000 | | | | | | | | |
Term loans | | 64,000,000 | | 64,500,000 | | | | | | | | |
Term loan - short-term | | 2,000,000 | | 2,000,000 | | | | | | | | |
Promissory notes | | 1,655,000 | | 1,655,000 | | | | | | | | |
Purchase money security interest debt | | 7,227,000 | | 6,652,000 | | | | | | | | |
Purchase money security interest debt - short-term | | 1,556,000 | | 1,655,000 | | | | | | | | |
Total debt obligations outstanding | | 223,210,000 | | 220,952,000 | | | | | | | | |
2015 | | 147,153,000 | | | | | | | | | | |
2016 | | 5,001,000 | | | | | | | | | | |
2017 | | 36,510,000 | | | | | | | | | | |
2018 | | 1,551,000 | | | | | | | | | | |
2019 and thereafter | | 32,995,000 | | | | | | | | | | |
Essex Crane Revolving Credit Facility | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Line of Credit, Current | | 119,929,000 | | 118,611,000 | | | | | | | | |
Debt, Weighted Average Interest Rate | | 3.94% | | | | | | | | | | |
Debt Instrument, Maturity Date, Description | | Oct-16 | | | | | | | | | | |
Line of Credit Facility, Maximum Borrowing Capacity | 145,000,000 | | | | | | | | | | | |
Maximum Amount Of Letters Of Credit Sublimit Under Credit Facility | 20,000,000 | | | | | | | | | | | |
Line Of Credit Facility Borrowing Base Percentage Of Eligible Accounts | 85.00% | | | | | | | | | | | |
Percentage Of Net Orderly Liquidation Value Eligible Asset | 75.00% | | | | | | | | | | | |
Line of Credit Facility, Future Reduction in Aggregate Commitment, Percentage of Proceeds on Sale of Assets | 100.00% | | | | | | | | | | | |
Line of Credit Facility, Future Reduction in Aggregate Commitment, Percentage of Free Cash Flow | 60.00% | | | | | | | | | | | |
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage | 0.38% | | | | | | | | | | | |
Line of Credit Facility, Fixed Charge Coverage Ratio | 1.1 | | | | | | 1.1 | | | | | |
Line of Credit Facility, Limit on Certain Capital Expenditures | 2,000,000 | | | | | | | | | | | |
Debt Instrument Covenant Maximum Indebtedness | 1,500,000 | | | | | | | | | | | |
Line of Credit Facility, Current Borrowing Capacity | | 135,700,000 | | 135,300,000 | | | | | | | | |
Line of Credit Facility, Remaining Borrowing Capacity | | | | 15,700,000 | | | | 16,600,000 | | | | |
Line of Credit Facility, Remaining Borrowing Capacity After 10 Percent Availability Covenant Threshold | | 1,800,000 | | 2,700,000 | | | | | | | | |
Line Of Credit Facility Excess Availability | | 1,900,000 | | 1,500,000 | | | | | | | | |
Line of Credit Facility London Interbank Offer Rate (LIBOR) | | 0.18% | | 0.16% | | | | | | | | |
Coast Crane Revolving Credit Facility | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Line of Credit, Current | | 24,462,000 | | 24,098,000 | | | | | | | | |
Debt, Weighted Average Interest Rate | | 5.31% | | | | | | | | | | |
Debt Instrument, Maturity Date, Description | | Mar-17 | | | | | | | | | | |
Line of Credit Facility, Maximum Borrowing Capacity | | | | | | 35,000,000 | | | | | | |
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage | | 0.50% | 0.50% | 0.50% | | | | | | | | |
Line of Credit Facility, Fixed Charge Coverage Ratio | | | | | | 1.2 | | | | | | |
Line of Credit Facility, Current Borrowing Capacity | | 35,000,000 | | 35,000,000 | | | | | | | | |
Line of Credit Facility, Remaining Borrowing Capacity | | 500,000 | | 3,300,000 | | | | | | | | |
London Interbank Offered Rate Interest Rate Floor | | | 1.50% | | | | | | | | | |
Reserves on Revolving Credit Facility | | | | | | 3,700,000 | | | | | | |
Line of Credit Facility, Letter of Credit Fee | | | 3.75% | | | | | | | | | |
Line Of Credit Facility Maximum Borrowing Capacity Reserve | | 7,100,000 | | 5,800,000 | | | | | | | | |
Coast Crane Revolving Credit Facility, Coast LTD Portion | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Revolving credit facility | | 2,381,000 | | 1,781,000 | | | | | | | | |
Debt, Weighted Average Interest Rate | | 5.37% | | | | | | | | | | |
Debt Instrument, Maturity Date, Description | | Mar-17 | | | | | | | | | | |
Essex Crane Term Loan | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Term loans | 30,000,000 | 30,000,000 | | 30,000,000 | | | | | | | | |
Debt, Weighted Average Interest Rate | | 11.50% | | | | | | | | | | |
Debt Instrument, Maturity Date, Description | | May-19 | | | | | | | | | | |
Line of Credit Facility London Interbank Offer Rate (LIBOR) | | 0.18% | | 0.15% | | | | | | | | |
London Interbank Offered Rate Interest Rate Floor | 1.00% | 1.00% | | 1.00% | | | | | | | | |
Coast Crane Term Loan | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Term loans | | 34,000,000 | | 34,500,000 | | 40,000,000 | | | | | | |
Term loan - short-term | | 2,000,000 | | 2,000,000 | | | | | | | | |
Debt, Weighted Average Interest Rate | | 5.25% | | | | | | | | | | |
Debt Instrument, Maturity Date, Description | | within 1 year | | | | | | | | | | |
Debt Instrument, Quarterly Principal Payment | | | | | | | | | 500,000 | | | |
Loans Payable to Bank | | 36,000,000 | | 36,500,000 | | | | | | | | |
Unsecured Promissory Notes | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Promissory notes | | 1,655,000 | | 1,655,000 | 5,200,000 | | | | | 5,200,000 | | |
Debt, Weighted Average Interest Rate | | 18.00% | | | | | | | | | | |
Debt Instrument, Maturity Date, Description | | Oct-16 | | | | | | | | | | |
Class of Warrant or Right Issued | | | | | 90,000 | | | | | | | |
Common Stock Issuable Upon Exercise of Warrants | | | | | 90,000 | | | | | | | |
Warrant Exercise Price per Share | | | | | $0.01 | | | | | | | |
Class of Warrant or Right Fair Value | | | | | 300,000 | | | | | | | |
Debt Instrument, Discount Amortization Period | | 3 years | | | | | | | | | | |
Debt Instrument, Interest Rate, Stated Percentage | | 18.00% | | 18.00% | | | | | | | | |
Purchase Money Security Interest Debt | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Purchase money security interest debt | | 7,227,000 | | 6,652,000 | | | | | | | | |
Purchase money security interest debt - short-term | | 1,556,000 | | 1,655,000 | | | | | | | | |
Debt, Weighted Average Interest Rate | | 5.44% | | | | | | | | | | |
Debt Instrument, Maturity Date, Description | | within 1 year | | | | | | | | | | |
Pieces of Equipment Financed | | 20 | | 19 | | | | | | | | |
Long-term Debt | | 8,800,000 | | 8,300,000 | | | | | | | | |
Minimum | Coast Crane Revolving Credit Facility | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
US Eligible New Sale Inventory Cap | | | | | | | | | | | 4,000,000 | |
Minimum | Coast Crane Term Loan | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Debt Instrument, Maturity Date, Description | | Jun-16 | | | | | | | | | | |
Minimum | Purchase Money Security Interest Debt | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Debt Instrument, Maturity Date, Description | | Apr-16 | | | | | | | | | | |
Debt Instrument, Interest Rate, Stated Percentage | | 3.59% | | 3.59% | | | | | | | | |
Maximum | Coast Crane Revolving Credit Facility | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
US Eligible New Sale Inventory Cap | | | | | | | | | | | 15,000,000 | |
Maximum | Coast Crane Term Loan | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Debt Instrument, Maturity Date, Description | | Mar-17 | | | | | | | | | | |
Maximum | Purchase Money Security Interest Debt | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Debt Instrument, Maturity Date, Description | | Mar-22 | | | | | | | | | | |
Prime Rate | Essex Crane Revolving Credit Facility | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Debt Instrument, Basis Spread on Variable Rate | 1.75% | | | | | | | | | | | |
Line of Credit Facility Prime Rate | | 3.25% | | 3.25% | | | | | | | | |
Prime Rate | Coast Crane Revolving Credit Facility | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Debt Instrument, Basis Spread on Variable Rate | | | 2.75% | | | | | | | | | |
Line of Credit Facility Prime Rate | | 3.25% | | 3.25% | | | | | | | | |
London Interbank Offered Rate (LIBOR) | Essex Crane Revolving Credit Facility | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Debt Instrument, Basis Spread on Variable Rate | 3.75% | 0.38% | | 0.38% | | | | | | | | |
London Interbank Offered Rate (LIBOR) | Coast Crane Revolving Credit Facility | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Debt Instrument, Basis Spread on Variable Rate | | | | | | 3.75% | | | | | | |
Line of Credit Facility London Interbank Offer Rate (LIBOR) | | 0.27% | | 0.25% | | | | | | | | |
London Interbank Offered Rate (LIBOR) | Essex Crane Term Loan | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Debt Instrument, Basis Spread on Variable Rate | 10.50% | | | | | | | | | | | |
London Interbank Offered Rate (LIBOR) | Purchase Money Security Interest Debt | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Pieces of Equipment Financed | | 10 | | 10 | | | | | | | | |
London Interbank Offered Rate (LIBOR) | Minimum | Purchase Money Security Interest Debt | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Debt Instrument, Basis Spread on Variable Rate | | 3.25% | | 3.25% | | | | | | | | |
London Interbank Offered Rate (LIBOR) | Maximum | Purchase Money Security Interest Debt | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Debt Instrument, Basis Spread on Variable Rate | | 5.38% | | 5.38% | | | | | | | | |
Stated Interest Rate [Member] | Purchase Money Security Interest Debt | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Pieces of Equipment Financed | | 10 | | | | | | | | | | |
Stated Interest Rate [Member] | Maximum | Purchase Money Security Interest Debt | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Debt Instrument, Interest Rate, Stated Percentage | | 8.29% | | 8.29% | | | | | | | | |
Stated Interest Rate 8.29% | Purchase Money Security Interest Debt | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Pieces of Equipment Financed | | | | 9 | | | | | | | | |
February 28 2016 | Essex Crane Revolving Credit Facility | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Line of Credit Facility, Maximum Borrowing Capacity | 130,000,000 | | | | | | | | | | | |
March 31 2016 | Essex Crane Revolving Credit Facility | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Required Rental Equipment Sales Proceeds | 8,000,000 | | | | | | | | | | | |
March 31 2015 | Essex Crane Revolving Credit Facility | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Required Rental Equipment Sales Proceeds | 3,000,000 | | | | | | | | | | | |
Option One [Member] | Coast Crane Revolving Credit Facility | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Line Of Credit Facility Borrowing Base Percentage Of Eligible Accounts | | | | | | 85.00% | | | | | 85.00% | |
Option One [Member] | Coast Crane Revolving Credit Facility, Coast LTD Portion | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Line Of Credit Facility Borrowing Base Percentage Of Eligible Accounts | | | | | | | | | | | 85.00% | |
Option Two | Coast Crane Revolving Credit Facility | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Line of Credit Facility Borrowing Base, Percentage of Inventory | | | | | | 50.00% | | | | | 50.00% | |
Line of Credit Facility Borrowing Base | | | | | | 5,000,000 | | | | | 5,000,000 | |
Option Two | Coast Crane Revolving Credit Facility, Coast LTD Portion | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Line of Credit Facility Borrowing Base, Percentage of Inventory | | | | | | | | | | | 50.00% | |
Line of Credit Facility Borrowing Base | | | | | | | | | | | 800,000 | |
Option Three | Coast Crane Revolving Credit Facility | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Line of Credit Facility Borrowing Base | | | | | | 15,000,000 | | | | | | |
Line of Credit Facility Borrowing Base, Percentage of Net Orderly Liquidation Value and Invoice Cost of New Equipment | | | | | | 95.00% | | | | | 95.00% | |
Option Three | Coast Crane Revolving Credit Facility, Coast LTD Portion | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Line of Credit Facility Borrowing Base | | | | | | | | | | | 2,000,000 | |
Line of Credit Facility Borrowing Base, Percentage of Net Orderly Liquidation Value and Invoice Cost of New Equipment | | | | | | | | | | | 95.00% | |
Option Four | Coast Crane Revolving Credit Facility | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Line of Credit Facility Borrowing Base, Percentage of Net Orderly Liquidation Value and Invoice Cost of New Equipment | | | | | | | | | | | 85.00% | |
Line of Credit Facility Borrowing Base, Percentage of Net Orderly Liquidation Value Less Reserves | | | | | | 85.00% | | | | | | |
Option Four | Coast Crane Revolving Credit Facility, Coast LTD Portion | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Line of Credit Facility Borrowing Base, Percentage of Net Orderly Liquidation Value and Invoice Cost of New Equipment | | | | | | | | | | | 85.00% | |
September 2014 [Member] | Essex Crane Revolving Credit Facility | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Line of Credit Facility, Fixed Charge Coverage Ratio | | | | | | | | | | | | 1.08 |
April 30 2014 | Coast Crane Revolving Credit Facility | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Line of Credit Facility, Fixed Charge Coverage Ratio | | | 0.88 | | | | | | | | | |
May 31 2014 | Coast Crane Revolving Credit Facility | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Line of Credit Facility, Fixed Charge Coverage Ratio | | | 1 | | | | | | | | | |
June 30 2014 | Coast Crane Revolving Credit Facility | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Line of Credit Facility, Fixed Charge Coverage Ratio | | | 1.1 | | | | | | | | | |
July 31 2014 and Thereafter | Coast Crane Revolving Credit Facility | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Line of Credit Facility, Fixed Charge Coverage Ratio | | | 1.2 | | | | | | | | | |
March 31 2014 | Coast Crane Revolving Credit Facility | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Line of Credit Facility, Fixed Charge Coverage Ratio | | | 1 | | | | | | | | | |
March 2014 to August 2014 | Coast Crane Revolving Credit Facility | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Required Trailing Twelve Month EBITDA | | | 7,700,000 | | | | | | | | | |
September 2014 to November 2014 | Coast Crane Revolving Credit Facility | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Required Trailing Twelve Month EBITDA | | | 7,900,000 | | | | | | | | | |
December 2014 to February 2015 | Coast Crane Revolving Credit Facility | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Required Trailing Twelve Month EBITDA | | | 8,000,000 | | | | | | | | | |
March 2015 to May 2015 | Coast Crane Revolving Credit Facility | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Required Trailing Twelve Month EBITDA | | | 8,200,000 | | | | | | | | | |
June 2015 and Thereafter | Coast Crane Revolving Credit Facility | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Required Trailing Twelve Month EBITDA | | | 8,300,000 | | | | | | | | | |
2014 and Thereafter | Coast Crane Revolving Credit Facility | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Debt Instrument Covenant Maximum Indebtedness | | | | | | 10,000,000 | | | | | | |