Leases - Additional information regarding leases (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Lessee, Lease, Description [Line Items]
Operating lease costs		$ 33,571	$ 31,691
Sublease Income	[1]	(988)	0
Cash payments included in the measurement of lease liabilities reported in operating cash flows		26,051	32,094
Right-of-use assets obtained in exchange for new lease liabilities		42,841	22,686
Right-of-use assets	[2]	123,083	106,836
Operating lease liability	[2]	$ 151,890	$ 126,711
Weighted average discount rate		4.20%	3.90%
Weighted average remaining lease term		6 years 7 months 6 days	5 years 10 months 24 days
Balance sheet location of right of use asset		Other assets	Other assets
Balance sheet location of operating lease liability		Other liabilities	Other liabilities
Lease, Cost		$ 38,900	$ 39,100	$ 37,400
Maximum
Lessee, Lease, Description [Line Items]
Operating lease term		10 years

[1] The sublease income primarily relates to office property in Raleigh, North Carolina.

[2] The right-of-use assets are included in ‘other assets’ while the operating lease liability is included in ‘other liabilities.’