Commitments and Contingencies - Lease Costs and Other Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Lessee, Lease, Description
Net lease cost	$ 3,113	$ 2,545	$ 8,994	$ 7,776
Right-of-use assets obtained in exchange for new operating lease liabilities	726	1,804	5,990	3,820
Operating leases
Lessee, Lease, Description
Lease cost	3,124	2,555	9,028	7,808
Sublease income, ground leases (included in other operations revenue)	0	0	0	0
Cash paid for amounts included in the measurement of lease liabilities	$ 2,842	2,407	$ 8,754	7,279
Weighted-average discount rate (percent)	4.90%		4.90%		4.90%
Weighted-average remaining lease term (in years)	5 years 10 months 24 days		5 years 10 months 24 days		6 years 3 months 18 days
Ground leases
Lessee, Lease, Description
Lease cost	$ 765	724	$ 2,295	2,170
Sublease income, ground leases (included in other operations revenue)	(776)	(734)	(2,329)	(2,202)
Cash paid for amounts included in the measurement of lease liabilities	$ 664	$ 663	$ 1,990	$ 1,990
Weighted-average discount rate (percent)	10.20%		10.20%		10.20%
Weighted-average remaining lease term (in years)	43 years 8 months 12 days		43 years 8 months 12 days		44 years 4 months 24 days