Financial Services (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Financial Services [Line Items]
Mortgage loans in process	$ 115,500		$ 115,500		$ 68,100
Mortgage loans held for sale	195,598		195,598		203,558
Mortgage loans held for sale aggregate outstanding principal balance	195,600		195,600		$ 202,000
Net gains (losses) on the sale of mortgage loans	1,700	$ 400	3,500	$ 10,800
Increase (Decrease) in Loans Held-for-sale	(2,000)	1,100	(2,000)	(8,600)
Revenues	$ 844,191	$ 1,166,142	$ 1,597,181	$ 2,182,492
Weighted Average [Member]
Financial Services [Line Items]
Interest rate	5.70%		5.70%		6.10%