Loans and Leases - Net Investments in Leases (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Loans and Leases Receivable Disclosure [Line Items]
Minimum lease payments receivable	$ 173,803
Unearned lease income	(24,007)
Initial direct costs and deferred fees	6,570
Total Leases	156,366
Minimum lease payments receivable		$ 160,685
Unearned lease income		(22,393)
Initial direct costs and deferred fees		6,244
Total Leases		144,536
Originated
Loans and Leases Receivable Disclosure [Line Items]
Minimum lease payments receivable	153,559
Unearned lease income	(21,737)
Initial direct costs and deferred fees	6,119
Total Leases	137,941
Minimum lease payments receivable		135,313
Unearned lease income		(19,388)
Initial direct costs and deferred fees		5,642
Total Leases		121,567
Acquired
Loans and Leases Receivable Disclosure [Line Items]
Minimum lease payments receivable	20,244
Unearned lease income	(2,270)
Initial direct costs and deferred fees	451
Total Leases	$ 18,425
Minimum lease payments receivable		25,372
Unearned lease income		(3,005)
Initial direct costs and deferred fees		602
Total Leases		$ 22,969