Reserves for Unpaid Losses and Loss Adjustment Expenses Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Claims Development [Line Items]
Adverse (Favorable) development on prior year loss reserves	$ (8,346)	$ (7,073)
Accident Years 2021 and 2020
Claims Development [Line Items]
Adverse (Favorable) development on prior year loss reserves	(10,100)
Accident Years 2016 and 2018
Claims Development [Line Items]
Adverse (Favorable) development on prior year loss reserves	2,000
Accident Year 2020
Claims Development [Line Items]
Adverse (Favorable) development on prior year loss reserves	$ (9,500)