Financial Services (Narrative) (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2020	Dec. 31, 2019
Financial Services [Line Items]
Mortgage loans in process	$ 124,300	$ 37,600
Mortgage loans held for sale	$ 219,615	$ 185,246
Weighted Average [Member]
Financial Services [Line Items]
Interest rate	3.80%	3.90%
Inspire [Member]
Financial Services [Line Items]
Mortgage loans held for sale	$ 219,600	$ 185,200
Mortgage loans held for sale aggregate outstanding principal balance	$ 210,300	$ 179,300