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Loans (Purchased Credit Impaired Loans Additional Information) (Details)	Mar. 31, 2020 acquisition
Receivables [Abstract]
Number of previous acquisitions	5

X

- Definition

Number of Business Previously Acquired

+ References

No definition available.

+ Details

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Namespace Prefix:	levl_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

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- References

No definition available.

+ Details

Name:	us-gaap_ReceivablesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration