Leases (Narrative) (Details) - USD ($) $ in Thousands		12 Months Ended
	Mar. 17, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Mar. 31, 2022
Lessee, Lease, Description [Line Items]
Operating lease fixed term	2 years
Weighted average remaining lease term		12 years 4 months 24 days	14 years
Discount rate		3.90%	3.70%
Additional undiscounted commitments for leases not yet commenced		$ 0	$ 2,500
Weighted average remaining finance lease term		3 years 2 months 12 days	2 years 10 months 24 days
Finance discount rate		4.40%	3.50%
Future minimum sublease payments		$ 1,000	$ 0	$ 100
Net book value		$ 24,061	$ 22,238
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]		Property, Plant and Equipment, Net	Property, Plant and Equipment, Net
Lease expenditure		$ 35,100	$ 28,000	26,700
Initial lease term	2 years
Renewal term	1 year
Right-of-use assets		122,934	114,414
Operating lease liability	$ 4,500	$ 111,871	$ 109,882
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Other Liabilities, Noncurrent	Other Liabilities, Noncurrent	Other Liabilities, Noncurrent
Operating lease, additional leases term	2 years
Property purchased		$ 31,972	$ 9,816	$ 14,263
Bolton Properties Sale Leaseback Transaction [Member]
Lessee, Lease, Description [Line Items]
Operating leases, remaining life		28 months
Right-of-use assets	$ 16,600				$ 16,600
Minimum [Member]
Lessee, Lease, Description [Line Items]
Operating leases, remaining life		1 month
Finance leases, remaining life		1 month
Maximum [Member]
Lessee, Lease, Description [Line Items]
Operating leases, remaining life		17 years
Finance leases, remaining life		5 years