Business Combinations - Summary of Preliminary Estimated Purchase Price Allocation to Fair Value of Asset Acquired and Liabilities Assumed (Details) - Keymile Acquisition $ in Thousands	Jan. 03, 2019 USD ($)
Purchase consideration
Cash consideration	$ 11,776
Working capital adjustment: cash received from lockbox mechanism	(2,497)
Adjusted purchase consideration	$ 9,279

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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The cash inflow associated with the acquisition of business during the period (for example, cash that was held by the acquired business).

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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