Related Party Transactions - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 29, 2019	Jun. 30, 2018	Jun. 29, 2019	Jun. 30, 2018
Related Party Transaction [Line Items]
Related party expenses	$ 125	$ 134	$ 256	$ 262
Industrial Warehouse and Office Facility Lease Agreement - Manns \| Affiliated Entity
Related Party Transaction [Line Items]
Related party expenses	88	88	175	175
Industrial Warehouse, Manufacturing Plan and Office Facilities Lease Agreement - Hillman Group Canada ULC \| Affiliated Entity
Related Party Transaction [Line Items]
Related party expenses	$ 161	$ 167	$ 323	$ 337

Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

Name:	us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration