Loan Agreement (Tables)	9 Months Ended
Sep. 30, 2019
Debt Disclosure [Abstract]
Quarterly Financial Covenants [Table Text Block]	Commitment Letter Bolt Supply had a Commitment Letter with BMO Bank of Montreal ("BMO") dated March 30, 2017 which allowed Bolt Supply to access up to $5.5 million Canadian dollars in the form of either an overdraft facility or as commercial letters of credit. The Commitment Letter was cancellable at any time at BMOs sole discretion and was secured by substantially all of Bolt Supply’s assets. It carried an interest rate of the bank's prime rate plus 0.25%. At September 30, 2019, Bolt Supply had $1.2 million Canadian dollars of outstanding borrowings. As of September 30, 2019, the Company was in compliance with its required debt covenants. New Credit Agreement Subsequent to the end of the third quarter, on October 11, 2019, the Company entered into a new five-year credit agreement led by J.P. Morgan Chase Bank N.A, as administrative agent and including CIBC Bank USA and Bank of America, N.A. as other lenders. The new credit agreement matures on October 11, 2024 and provides for $100.0 million of revolving commitments. The new credit agreement allows borrowing capacity to increase to $150.0 million subject to meeting certain criteria and additional commitments from its lenders. Along with certain standard terms and conditions of the new credit agreement, the Company is able to borrow up to a maximum ratio of its EBITDA to net borrowings of 3.25 times, as defined, and a minimum fixed charge ratio, as defined, of 1.15. On October 11, 2019, the Company paid off its previous loans to CIBC Bank USA and BMO.

Commitment Letter

Bolt Supply had a Commitment Letter with BMO Bank of Montreal ("BMO") dated March 30, 2017 which allowed Bolt Supply to access up to $5.5 million Canadian dollars in the form of either an overdraft facility or as commercial letters of credit. The Commitment Letter was cancellable at any time at BMOs sole discretion and was secured by substantially all of Bolt Supply’s assets. It carried an interest rate of the bank's prime rate plus 0.25%. At September 30, 2019, Bolt Supply had $1.2 million Canadian dollars of outstanding borrowings.

As of September 30, 2019, the Company was in compliance with its required debt covenants.

New Credit Agreement

Subsequent to the end of the third quarter, on October 11, 2019, the Company entered into a new five-year credit agreement led by J.P. Morgan Chase Bank N.A, as administrative agent and including CIBC Bank USA and Bank of America, N.A. as other lenders. The new credit agreement matures on October 11, 2024 and provides for $100.0 million of revolving commitments. The new credit agreement allows borrowing capacity to increase to $150.0 million subject to meeting certain criteria and additional commitments from its lenders.

Along with certain standard terms and conditions of the new credit agreement, the Company is able to borrow up to a maximum ratio of its EBITDA to net borrowings of 3.25 times, as defined, and a minimum fixed charge ratio, as defined, of 1.15. On October 11, 2019, the Company paid off its previous loans to CIBC Bank USA and BMO.