Leases (Details) ft² in Thousands, $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2023 USD ($)	Mar. 31, 2022 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($) ft²
Lessee, Lease, Description [Line Items]
Operating Lease, Cost	$ 13,428	$ 12,840
Variable Lease, Cost	1,186	1,900
Net rentable area (in square feet) | ft²				38
Operating Lease, Payments	15,561	14,811
Operating Lease, Incentive Payments Received		332
Future lease payments	$ 227,387
Forecast [Member] | Annual Expense
Lessee, Lease, Description [Line Items]
Operating Lease, Cost			$ 2,300
Minimum [Member]
Lessee, Lease, Description [Line Items]
Lessee, Operating Lease, Lease Not yet Commenced, Term of Contract	3 years
Maximum [Member]
Lessee, Lease, Description [Line Items]
Lessee, Operating Lease, Lease Not yet Commenced, Term of Contract	13 years
Letter of Credit [Member]
Lessee, Lease, Description [Line Items]
Other Assets	$ 5,664			$ 5,637
Office Equipment [Member]
Lessee, Lease, Description [Line Items]
Operating Lease, Cost	$ 1,450	$ 1,243