Leases Leases (Details Textuals) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($) bank_branch		Dec. 31, 2017 USD ($)	[2]
Operating Leased Assets [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Effect of Change on Net Income | $	$ 938	[1]	$ 291
Lessee, Operating Lease, Number Of Full-Service Branch Offices	72
Lessee, Operating Lease, Number Of Other Offices	75
Minimum
Operating Leased Assets [Line Items]
Lessee, Operating Lease, Remaining Lease Term	1 year
Lessee, Operating Lease, Renewal Term	1 year
Maximum
Operating Leased Assets [Line Items]
Lessee, Operating Lease, Remaining Lease Term	27 years
Lessee, Operating Lease, Renewal Term	10 years

[1] Impact due to adoption on January 1, 2019 of ASU 2016-02, "Leases (Topic 842)," and the related amendments.

[2] Impact due to adoption on January 1, 2017 of ASU 2016-09, "Improvements to Employee Share-Based Payment Accounting."