Financial Services (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2020	Dec. 31, 2019
Financial Services [Line Items]
Mortgage loans in process	$ 125,000	$ 37,600
Mortgage loans held for sale	$ 141,846	$ 185,246
Weighted Average [Member]
Financial Services [Line Items]
Interest rate	3.40%	3.90%
Inspire [Member]
Financial Services [Line Items]
Mortgage loans held for sale	$ 141,800	$ 185,200
Mortgage loans held for sale aggregate outstanding principal balance	$ 137,800	$ 179,300