Nature of Operations and Basis of Presentation - Schedule of Supplemental Cash Flow Transactions (Detail) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018
Supplemental Cash Flow Elements [Abstract]
Interest received in cash	$ 121
Interest paid in cash	1,786	$ 2,777
Income tax payments in cash	$ 140
Proportional share of increase in equity investments' paid in capital		14
Share based compensation paid in connection with Tadano transaction		$ 200

Adjustments to additional paid in capital, proportional share of increase in equity investments.

No definition available.

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- Definition

Interest received.

+ References

No definition available.

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- Definition

The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.

+ References

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Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.

+ References

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- Definition

The fair value of stock issued in noncash financing activities.

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