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Revenue from Contracts with Customers (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Disaggregation of Revenue [Line Items]
Noninterest income within scope of Topic 606	$ 31,785	$ 29,960	$ 94,127	$ 88,795
Wealth management fees
Disaggregation of Revenue [Line Items]
Noninterest income within scope of Topic 606	10,134	9,239	30,576	27,547
Service charges on deposit accounts
Disaggregation of Revenue [Line Items]
Noninterest income within scope of Topic 606	8,926	8,698	25,564	26,357
Debit card and ATM fees
Disaggregation of Revenue [Line Items]
Noninterest income within scope of Topic 606	4,942	5,276	15,668	15,106
Investment product fees
Disaggregation of Revenue [Line Items]
Noninterest income within scope of Topic 606	6,475	5,351	18,381	16,070
Merchant processing fees
Disaggregation of Revenue [Line Items]
Noninterest income within scope of Topic 606	992	852	2,786	2,363
Gain (loss) on other real estate owned
Disaggregation of Revenue [Line Items]
Noninterest income within scope of Topic 606	63	260	293	238
Safe deposit box fees
Disaggregation of Revenue [Line Items]
Noninterest income within scope of Topic 606	215	223	783	741
Insurance premiums and commissions
Disaggregation of Revenue [Line Items]
Noninterest income within scope of Topic 606	$ 38	$ 61	$ 76	$ 373

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-Paragraph 30
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