Employee Benefit Plan (Additional Information) (Details) $ in Millions	3 Months Ended
Mar. 31, 2022 USD ($)
Retirement Benefits [Abstract]
Broadmark annual contributions on employee contributions	3.50%
Employees contributions of annual compensation	6.00%
Total expense of compensation	$ 0.1

Percentage of employer's matching contributions to a defined contribution plan that vests in a given year.

No definition available.

Name:	us-gaap_DefinedContributionPlanEmployersMatchingContributionAnnualVestingPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration