Allowance for Credit Losses - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Credit Loss [Abstract]
Increase in allowance for credit losses	$ (41,355)	$ 551,876	$ 70,122	$ 632,696
Initial allowance from current period investments		$ 439,700	$ 234,064	$ 515,697
Allowance as a percentage of amortized cost, total		79.90%	3.31%	81.50%	3.61%