Subsequent Events (Details) - Personal auto policies - Subsequent event - USD ($) $ in Thousands		3 Months Ended
Apr. 14, 2020	Jun. 30, 2020
Subsequent Event [Line Items]
Percentage of policyholders applied for refund	15.00%
Insurance premium refund		$ 12,000

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

No definition available.

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