Leases (Lease Payments) (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Finance Leases
2020	$ 266
2021	4,445
2022	235
2023	211
2024	0
Thereafter	0
Total lease payments	5,157
Less: Interest	212
Present Value of Net Future Minimum Lease Payments	4,945
Finance Leases Less: Leases Not Yet Commenced
2020	0
2021	(235)
2022	(235)
2023	(211)
2024	0
Thereafter	0
Total lease payments	(681)
Less: Interest	86
Present Value of Net Future Minimum Lease Payments	(595)
Total Leases
2020	266
2021	4,210
2022	0
2023	0
2024	0
Thereafter	0
Total lease payments	4,476
Less: Interest	(126)
Total finance lease obligations	4,350	$ 4,540
Operating Leases Signed
2020	1,362
2021	1,970
2022	1,063
2023	433
2024	199
Thereafter	5
Total lease payments	5,032
Less: Interest	(285)
Present Value of Net Future Minimum Lease Payments	4,747
Operating Lease Less: Leases Not Yet Commenced
2020	(11)
2021	(29)
2022	(29)
2023	(18)
2024	0
Thereafter	0
Total lease payments	(87)
Less: Interest	5
Present Value of Net Future Minimum Lease Payments	(82)
Operating Leases
2020	1,351
2021	1,941
2022	1,034
2023	415
2024	199
Thereafter	5
Total lease payments	4,945
Less: Interest	(280)
Total operating lease obligations	$ 4,665	$ 4,677

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Finance Lease, Liability, Commenced, Payments Due

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- Definition

Finance Lease, Liability, Commenced, To Be Paid, After Year Four

+ References

No definition available.

+ Details

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- Definition

Finance Lease, Liability, Commenced, To Be Paid, Remainder Of Fiscal Year

+ References

No definition available.

+ Details

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- Definition

Finance Lease, Liability, Commenced, To Be Paid, Year Four

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No definition available.

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- Definition

Finance Lease, Liability, Commenced, To Be Paid, Year One

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Finance Lease, Liability, Commenced, To Be Paid, Year Three

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No definition available.

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- Definition

Finance Lease, Liability, Commenced, To Be Paid, Year Two

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No definition available.

+ Details

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- Definition

Finance Lease, Liability, Commenced, Undiscounted Excess Amount

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No definition available.

+ Details

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- Definition

Finance Lease, Liability, Not Yet Commenced

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No definition available.

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No definition available.

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- Definition

Finance Lease, Liability, Not Yet Commenced, To Be Paid, After Year Four

+ References

No definition available.

+ Details

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- Definition

Finance Lease, Liability, Not Yet Commenced, To Be Paid, Remainder Of Fiscal Year

+ References

No definition available.

+ Details

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- Definition

Finance Lease, Liability, Not Yet Commenced, To Be Paid, Year Four

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No definition available.

+ Details

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- Definition

Finance Lease, Liability, Not Yet Commenced, To Be Paid, Year One

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No definition available.

+ Details

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- Definition

Finance Lease, Liability, Not Yet Commenced, To Be Paid, Year Three

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No definition available.

+ Details

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- Definition

Finance Lease, Liability, Not Yet Commenced, To Be Paid, Year Two

+ References

No definition available.

+ Details

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- Definition

Finance Lease, Liability, Not Yet Commenced, Undiscounted Excess Amount

+ References

No definition available.

+ Details

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- Definition

Finance Lease, Liability, to be Paid, after Year Four

+ References

No definition available.

+ Details

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- Definition

Finance Leases Not Yet Commenced, Payments Due

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No definition available.

+ Details

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- Definition

Lessee, Operating Lease, Commenced, Liability, Payments, Due

+ References

No definition available.

+ Details

Name:	rog_LesseeOperatingLeaseCommencedLiabilityPaymentsDue
Namespace Prefix:	rog_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Lessee, Operating Lease, Commenced, Liability, Payments, Due After Year Four

+ References

No definition available.

+ Details

Name:	rog_LesseeOperatingLeaseCommencedLiabilityPaymentsDueAfterYearFour
Namespace Prefix:	rog_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Lessee, Operating Lease, Commenced, Liability, Payments, Due Remainder Of Fiscal Year

+ References

No definition available.

+ Details

Name:	rog_LesseeOperatingLeaseCommencedLiabilityPaymentsDueRemainderOfFiscalYear
Namespace Prefix:	rog_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Lessee, Operating Lease, Commenced, Liability, Payments, Due Year Four

+ References

No definition available.

+ Details

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Namespace Prefix:	rog_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Lessee, Operating Lease, Commenced, Liability, Payments, Due Year One

+ References

No definition available.

+ Details

Name:	rog_LesseeOperatingLeaseCommencedLiabilityPaymentsDueYearOne
Namespace Prefix:	rog_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Lessee, Operating Lease, Commenced, Liability, Payments, Due Year Three

+ References

No definition available.

+ Details

Name:	rog_LesseeOperatingLeaseCommencedLiabilityPaymentsDueYearThree
Namespace Prefix:	rog_
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Balance Type:	credit
Period Type:	instant

- Definition

Lessee, Operating Lease, Commenced, Liability, Payments, Due Year Two

+ References

No definition available.

+ Details

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Namespace Prefix:	rog_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Lessee, Operating Lease, Commenced, Liability, Undiscounted Excess Amount

+ References

No definition available.

+ Details

Name:	rog_LesseeOperatingLeaseCommencedLiabilityUndiscountedExcessAmount
Namespace Prefix:	rog_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Lessee, Operating Lease, Liability, Payments, Due Remainder Of Fiscal Year

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- Definition

Lessee, Operating Lease, Liability, To Be Paid, After Year Four

+ References

No definition available.

+ Details

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Balance Type:	credit
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- Definition

Lessee, Operating Lease, Not Yet Commenced, Liability, Due Remainder Of Fiscal Year

+ References

No definition available.

+ Details

Name:	rog_LesseeOperatingLeaseNotYetCommencedLiabilityDueRemainderOfFiscalYear
Namespace Prefix:	rog_
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Period Type:	instant

- Definition

Lessee, Operating Lease, Not Yet Commenced, Liability, Payments, Due

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No definition available.

+ Details

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- Definition

Lessee, Operating Lease, Not Yet Commenced, Liability, Payments, Due After Year Four

+ References

No definition available.

+ Details

Name:	rog_LesseeOperatingLeaseNotYetCommencedLiabilityPaymentsDueAfterYearFour
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Balance Type:	debit
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- Definition

Lessee, Operating Lease, Not Yet Commenced, Liability, Payments, Due Year Four

+ References

No definition available.

+ Details

Name:	rog_LesseeOperatingLeaseNotYetCommencedLiabilityPaymentsDueYearFour
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- Definition

Lessee, Operating Lease, Not Yet Commenced, Liability, Payments, Due Year One

+ References

No definition available.

+ Details

Name:	rog_LesseeOperatingLeaseNotYetCommencedLiabilityPaymentsDueYearOne
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- Definition

Lessee, Operating Lease, Not Yet Commenced, Liability, Payments, Due Year Three

+ References

No definition available.

+ Details

Name:	rog_LesseeOperatingLeaseNotYetCommencedLiabilityPaymentsDueYearThree
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- Definition

Lessee, Operating Lease, Not Yet Commenced, Liability, Payments, Due Year Two

+ References

No definition available.

+ Details

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- Definition

Lessee, Operating Lease, Not Yet Commenced, Liability, Undiscounted Excess Amount

+ References

No definition available.

+ Details

Name:	rog_LesseeOperatingLeaseNotYetCommencedLiabilityUndiscountedExcessAmount
Namespace Prefix:	rog_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Operating Lease, Commenced, Liability

+ References

No definition available.

+ Details

Name:	rog_OperatingLeaseCommencedLiability
Namespace Prefix:	rog_
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Balance Type:	credit
Period Type:	instant

- Definition

Operating Lease Liabilities, Commenced, Payments Due [Abstract]

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No definition available.

+ Details

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- Definition

Operating Lease Liabilities, Not Yet Commenced, Payments Due [Abstract]

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No definition available.

+ Details

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- Definition

Operating Lease, Not Yet Commenced, Liability

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No definition available.

+ Details

Name:	rog_OperatingLeaseNotYetCommencedLiability
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- References

No definition available.

+ Details

Name:	us-gaap_FinanceLeaseLiabilitiesPaymentsDueAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Present value of lessee's discounted obligation for lease payments from finance lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918701-209980

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of lessee's undiscounted obligation for lease payments for finance lease.

+ References

+ Details

Name:	us-gaap_FinanceLeaseLiabilityPaymentsDue
Namespace Prefix:	us-gaap_
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Balance Type:	credit
Period Type:	instant

- Definition

Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

+ Details

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Namespace Prefix:	us-gaap_
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- Definition

Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- Definition

Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in remainder of current fiscal year.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918701-209980

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	credit
Period Type:	instant

- Definition

Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for finance lease.

+ References

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	credit
Period Type:	instant

- Definition

Amount of lessee's undiscounted obligation for lease payment for operating lease.

+ References

+ Details

Name:	us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue
Namespace Prefix:	us-gaap_
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- Definition

Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

+ Details

Name:	us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

+ Details

Name:	us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour
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- Definition

Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

+ Details

Name:	us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree
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- Definition

Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

+ Details

Name:	us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo
Namespace Prefix:	us-gaap_
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- Definition

Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.

+ References

+ Details

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- References

No definition available.

+ Details

Name:	us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977

+ Details

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