Face (par) amount of debt instrument at time of issuance.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 835
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-Section 55
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Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

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Subsequent events (Details) - USD ($)		6 Months Ended
Subsequent events (Details) - USD ($)	Jul. 16, 2020	Jun. 30, 2020	Jun. 30, 2019
Subsequent Event [Line Items]
Payment of term loan		$ 21,368,000	$ 6,255,000
Subsequent Event \| Senior Notes \| Notes
Subsequent Event [Line Items]
Debt issued	$ 500,000,000.0
Subsequent Event \| Senior Notes \| Term Loan
Subsequent Event [Line Items]
Payment of term loan	492,500,000
Subsequent Event \| Wholly-owned Subsidiaries \| Forterra Finance, LLC and FRTA Finance Corp. \| Senior Notes \| Notes
Subsequent Event [Line Items]
Debt issued	$ 500,000,000
Debt annual fixed interest rate	6.50%