Leases - Schedule of amount of right-of-use lease assets and lease liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Right-of-use lease assets and lease liabilities
Right-of-use operating lease assets	$ 61,955	$ 63,380
Operating lease liabilities - current	$ 4,666	$ 4,420
Operating lease liabilities - current, Balance sheet location	Accrued expenses and other current liabilities	Accrued expenses and other current liabilities
Operating lease liabilities - noncurrent	$ 59,553	$ 60,692
Operating lease liabilities - noncurrent, Balance sheet location	Operating lease liabilities - noncurrent	Operating lease liabilities - noncurrent