Principles of Consolidation (Details) $ in Billions	Mar. 31, 2020 USD ($) location
Assets under Management, Carrying Amount \| $	$ 2.0
Pennsylvania
Number of locations	15
Maryland
Number of locations	1

The carrying amount of assets an investment adviser manages on behalf of investors.

No definition available.

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