XML 94 R80.htm IDEA: XBRL DOCUMENT
v3.20.4

Contingent Liabilities (Schedule of Product Liability Expense) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Product Liability Contingency [Line Items] |  |  |  |
Total Product Liability Expense |  | $ 1,139 | $ 718 | $ 1,514
Accrued Legal Expense [Member] |  |  |  |
Product Liability Contingency [Line Items] |  |  |  |
Total Product Liability Expense | [1] | 300 | (37) | 731
Insurance Premium Expense [Member] |  |  |  |
Product Liability Contingency [Line Items] |  |  |  |
Total Product Liability Expense | [2] | $ 839 | $ 755 | $ 783
[1] | The expense accrued in the liability is for legal fees only. In 2019, the costs incurred related to cases that were settled or dismissed were less than the amounts accrued for these cases in prior years.
[2] | Insurance expense represents the cost of insurance premiums.

X
- Definition The amount of loss reported during the period pertaining to product liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 + Details
Name: | us-gaap_ProductLiabilityAccrualPeriodExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- 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. + Details
Name: | us-gaap_ProductLiabilityContingencyLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_ProductOrServiceAxis=rgr_AccruedLegalExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=rgr_ProductInsurancePremiumExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |