Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Disaggregation of Revenue [Line Items]
Other operating income (out-of-scope of Topic 606)	$ 5,115	$ 6,105
Total Other Operating Income	6,433	7,533
Other operating income (in-scope of Topic 606)
Disaggregation of Revenue [Line Items]
Other operating income (in-scope of Topic 606)	1,318	1,428
Bankcard fees
Disaggregation of Revenue [Line Items]
Other operating income (in-scope of Topic 606)	643	650
Service charges on deposit accounts
Disaggregation of Revenue [Line Items]
Other operating income (in-scope of Topic 606)	362	413
Other
Disaggregation of Revenue [Line Items]
Other operating income (in-scope of Topic 606)	313	365
Gains On Sale Of Other Real Estate Owned
Disaggregation of Revenue [Line Items]
Other operating income (in-scope of Topic 606)	$ 37	$ 316