Organization and Description of Business (Details) $ in Millions	Jun. 01, 2017 USD ($)
Affiliated Entities
Organization and Description of Business [Line Items]
Commitment to receive future capital contributions	$ 55.0

Related Party Transaction, Funding Commitment To Be Received, Maximum

No definition available.

Name:	cmlf_RelatedPartyTransactionFundingCommitmentToBeReceivedMaximum
Namespace Prefix:	cmlf_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant