Revenue - Additional Information (Detail)	12 Months Ended
Jan. 02, 2021 USD ($)
Disaggregation Of Revenue [Line Items]
Revenue recognition performance obligation	$ 0
Revenue, remaining performance obligation, optional exemption, performance obligation	true
Revenue recognition payment terms	30 days
Contract assets	$ 0
Recognized bad debt expense	700,000
Present value of potential obligation for sub-lease	6,500,000
Assigned sublease obligation	$ 11,700,000
Maximum [Member]
Disaggregation Of Revenue [Line Items]
Revenue recognition contract terms	1 year
Loan repayable period	10 years
Minimum [Member]
Disaggregation Of Revenue [Line Items]
Loan repayable period	5 years

Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130549-203045

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=121556615&loc=SL49130531-203044

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=121556615&loc=SL49130533-203044

Name:	us-gaap_ContractWithCustomerAssetNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant