Revenue Recognition (Summary of Revenue) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Revenue from Contract with Customer [Abstract]
Percentage of total revenue excluded from adoption of 606	88.00%	87.00%
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	$ 8,577	$ 9,117
Total out-of-scope non-interest income	3,611	4,190
Total non-interest income	12,188	13,307
Wealth Management Fees [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	4,079	4,400
Banking service charges and other fees [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	4,498	4,717
Service charges on deposit accounts [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	3,191	3,315
Debit card and ATM fees [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	$ 1,307	$ 1,402

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The total amount of noninterest income which may be derived from: (1) fees and commissions; (2) premiums earned; (3) insurance policy charges; (4) the sale or disposal of assets; and (5) other sources not otherwise specified.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 220
-Section S99
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Amount of revenue earned, classified as other, excluding interest income.

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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.

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