Components Of Lease Income (Detail) - USD ($) $ in Thousands		3 Months Ended	9 Months Ended
		Sep. 30, 2019	Sep. 30, 2019
Interest income on lease financing	[1]	$ 10,149	$ 27,358

[1] Included in Interest Income – Mortgage and other loans and leases in the Consolidated Statements of Income and Comprehensive Income.