Interest Income - Schedule of Components of Interest Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Other Income and Expenses [Abstract]
Loans held for sale	$ 14,669	$ 10,756	$ 11,100
Interest earning cash deposits and other	2,435	2,850	1,796
Automotive dealer financing notes	0	420	3,069
Interest and Other Income	$ 17,104	$ 14,026	$ 15,965