Leases (Details) $ in Millions	6 Months Ended
Jan. 31, 2021 USD ($)
Leases (Details) [Line Items]
Lease option maximum extension period	5 years
Accumulated amortization of finance lease assets (in Dollars)	$ 1.1
Minimum [Member]
Leases (Details) [Line Items]
Lease term of contract	1 year
Maximum [Member]
Leases (Details) [Line Items]
Lease term of contract	8 years

Amount of accumulated amortization of right-of-use asset from finance lease.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918638-209977

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