Other assets (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Other Assets Disclosure [Abstract]
Net deferred tax assets (net of valuation allowance)	$ 907,419	$ 657,597
Investments under the equity method	203,172	298,988
Prepaid taxes	46,818	37,924
Other prepaid expenses	42,682	34,937
Capitalized software costs	82,246	44,908
Derivative assets	16,653	26,093
Trades receivables from brokers and counterparties	13,203	65,460
Principal, interest and escrow servicing advances	44,144	53,942
Guaranteed mortgage loan claims receivable	77,618	98,001
Operating ROU assets	119,471	141,748
Finance ROU assets	18,705	13,459
Others	128,247	155,514
Total other assets	$ 1,700,378	$ 1,628,571
Operating Lease Right Of Use Asset Statement Of Financial Position	Total other assets	Total other assets
Finance Lease Right Of Use Asset Statement Of Financial Position	Total other assets	Total other assets