Related Party Transactions - Additional Information (Detail) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Successor [Member]
Capital Leased Assets [Line Items]
Management fee charges and expenses	$ 151,000
Predecessor [Member]
Capital Leased Assets [Line Items]
Management fee charges and expenses		0
Oak Hill Funds and CCMP [Member] | Predecessor [Member]
Capital Leased Assets [Line Items]
Management fee charges and expenses	151,000	0
Companies Controlled by Manns [Member] | Successor [Member]
Capital Leased Assets [Line Items]
Rental expense for the leases	82,000
Companies Controlled by Manns [Member] | Predecessor [Member]
Capital Leased Assets [Line Items]
Rental expense for the leases		82,000
Richard Paulin [Member] | Hillman Group Canada ULC [Member]
Capital Leased Assets [Line Items]
Number of leases	3
Number of properties leased	5
Lease agreement date	Feb. 19, 2013
Richard Paulin [Member] | Successor [Member] | Hillman Group Canada ULC [Member]
Capital Leased Assets [Line Items]
Rental expense for the leases	166,000
Richard Paulin [Member] | Predecessor [Member] | Hillman Group Canada ULC [Member]
Capital Leased Assets [Line Items]
Rental expense for the leases		$ 187,000
Property Owned by Relatives of Richard Paulin [Member] | Hillman Group Canada ULC [Member]
Capital Leased Assets [Line Items]
Number of leases	1
Company Owned by Richard Paulin and Relatives [Member] | Hillman Group Canada ULC [Member]
Capital Leased Assets [Line Items]
Number of leases	2