Leases (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Operating Lease Cost
Operating lease expense	$ 5,000	$ 3,864	$ 14,835	$ 11,574
2022 (excluding the nine months ended September 30, 2022)	3,787		3,787
2023	18,428		18,428
2024	18,595		18,595
2025	18,524		18,524
2026	17,783		17,783
Thereafter	70,519		70,519
Total undiscounted lease payments	147,636		147,636
Adjustment to discount to present value	(24,160)		(24,160)
Operating lease liabilities	$ 123,476		$ 123,476		$ 100,303
Weighted average discount rate	4.10%	4.60%	4.10%	4.60%
Weighted average remaining lease term (in years)	9 years 1 month 6 days	6 years 8 months 12 days	9 years 1 month 6 days	6 years 8 months 12 days
Operating cash flows for operating leases			$ 12,392	$ 12,779
Compensation and benefits
Operating Lease Cost
Operating lease expense	$ 131	$ 130	393	388
Occupancy
Operating Lease Cost
Operating lease expense	4,157	3,664	13,256	10,862
Variable Lease, Cost	410	14	486	44
Short-term lease cost	268	97	699	257
Sublease income	0	(100)	(133)	(167)
Communication and technology
Operating Lease Cost
Operating lease expense	$ 34	$ 59	$ 134	$ 190

Lessee, Operating Lease, Liability, To Be Paid, After Year Four

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Amount of lessee's undiscounted obligation for lease payment for operating lease.

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease having initial or remaining lease term in excess of one year to be paid in remainder of current fiscal year.

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Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.

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Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

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Present value of lessee's discounted obligation for lease payments from operating lease.

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Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of short-term lease cost, excluding expense for lease with term of one month or less.

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Amount of sublease income excluding finance and operating lease expense.

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Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases.

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