Investments - Security Holdings in an Unrealized Loss Position - General Information (Details) $ in Thousands	Jun. 30, 2022 USD ($) security	Dec. 31, 2021 USD ($) security
Number of positions:
Number of unrealized loss positions | security	762	231
Fair Value
Fair Value	$ 437,676	$ 170,119
Unrealized Losses
Unrealized Losses	$ 34,952	$ 2,705