Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Disaggregation of Revenue [Line Items]
Other operating income (out-of-scope of Topic 606)	$ 16,262	$ 7,961	$ 21,376	$ 14,066
Total Other Operating Income	17,535	9,569	23,968	17,102
Other operating income (in-scope of Topic 606)
Disaggregation of Revenue [Line Items]
Other operating income (in-scope of Topic 606)	1,273	1,608	2,592	3,036
Bankcard fees
Disaggregation of Revenue [Line Items]
Other operating income (in-scope of Topic 606)	681	744	1,324	1,394
Service charges on deposit accounts
Disaggregation of Revenue [Line Items]
Other operating income (in-scope of Topic 606)	171	413	533	826
Other
Disaggregation of Revenue [Line Items]
Other operating income (in-scope of Topic 606)	421	451	735	816
Gains On Sale Of Other Real Estate Owned
Disaggregation of Revenue [Line Items]
Other operating income (in-scope of Topic 606)	$ 38	$ 0	$ 75	$ 316