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Fair Value Measurements (Details) - USD ($)	Sep. 30, 2019	Dec. 31, 2018
Fair value measurements, recurring and nonrecurring, valuation techniques
Cash and marketable securities held in Trust Account	$ 255,880,268	$ 253,019,179
Trust account held in cash	1,300	900
Fair value measurements, (Recurring) | Level 1
Fair value measurements, recurring and nonrecurring, valuation techniques
Cash and marketable securities held in Trust Account	$ 255,880,268	$ 253,019,179

X

- Definition

Amount of currency on hand as well as demand deposits with banks or financial institutions held in trust account classified as non-current.

+ References

No definition available.

+ Details

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- Definition

Amount of trust account held in cash.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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