Unpaid Loss and Loss Adjustment Expenses Reconciliation of the net incurred and paid loss and loss adjustment expenses development tables (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Balance at beginning of period, net	$ 2,028	$ 1,178
Less reinsurance recoverable related to unpaid loss and loss adjustment expenses	0	72
Unpaid loss and loss adjustment expenses	2,073	1,329
Non-standard automobile [Member]
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Balance at beginning of period, net	680	479
Less reinsurance recoverable related to unpaid loss and loss adjustment expenses	0	64
Auto physical damage [Member]
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Balance at beginning of period, net	0	2
Commercial auto liability [Member]
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Balance at beginning of period, net	756	521
Less reinsurance recoverable related to unpaid loss and loss adjustment expenses	0	8
Property and Casualty, Commercial Insurance Product Line [Member]
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Balance at beginning of period, net	592	176
Vehicle service agreements	$ 45	$ 79