Loans and Leases - Components of Lease Income (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Receivables [Abstract]
Interest income on net investment in direct financing and sales-type leases	$ 33,803	$ 32,899	$ 67,959	$ 65,283
Lease income from operating lease payments	23,799	25,497	47,701	50,896
Profit recorded on commencement date on sales-type leases	5,607	7,249	9,187	14,306
Gains on sales of leased equipment	7,766	6,531	13,849	12,240
Leasing revenue	37,172	39,277	70,737	77,442
Total lease income	$ 70,975	$ 72,176	$ 138,696	$ 142,725