Investments - Impairments on Investments (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Schedule of Impairments [Line Items]
Credit impaired	$ 164	$ 201
Held-to-maturity securities - expected credit losses	(2,167)	0
Net impairment losses recognized in earnings	(2,677)	(1,633)
Available-for-sale securities
Schedule of Impairments [Line Items]
Intent to sell	(174)	(1,432)
Credit impaired	(164)	(201)
Total available-for-sale securities	(338)	(1,633)
Held-to-maturity securities
Schedule of Impairments [Line Items]
Held-to-maturity securities - expected credit losses	(2,167)	0
Other loans receivable
Schedule of Impairments [Line Items]
Net impairment losses recognized in earnings	$ (172)	$ 0