Fair Value - Financial Instruments Not Carried at Fair Value (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Carrying Value
Carrying values and fair value measurements of financial instruments not carried at fair value
Agent loans	$ 69,476	$ 66,368
Long-term borrowings	0	94,070
Fair Value | Level 3 Fair Value
Carrying values and fair value measurements of financial instruments not carried at fair value
Agent loans	62,954	68,957
Long-term borrowings	$ 0	$ 103,981