Customer Lists, Net - Other Identifiable Intangible Assets (Details) - Customer lists, net - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Customer lists at cost	$ 25,288	$ 25,288
Less: Accumulated amortization	17,789	16,123
Total finite-lived intangible assets	$ 7,499	$ 9,165