Other assets (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Deferred Costs Capitalized Prepaid And Other Assets Disclosure Abstract
Net deferred tax assets (net of valuation allowance)	$ 817,867	$ 657,597
Investments under the equity method	318,836	298,988
Prepaid taxes	52,721	37,924
Other prepaid expenses	85,964	79,845
Derivative assets	17,218	26,093
Trades receivables from brokers and counterparties	45,118	65,460
Principal, interest and escrow servicing advances	45,889	53,942
Guaranteed mortgage loan claims receivable	84,990	98,001
Operating ROU assets	126,080	141,748
Finance ROU assets	19,349	13,459
Others	159,491	155,514
Total other assets	$ 1,773,523	$ 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