Revenue Recognition (Summary of Revenue) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Revenue from Contract with Customer [Abstract]
Percentage of total revenue excluded from adoption of 606	82.30%	84.00%
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	$ 14,136	$ 10,438
Total out-of-scope non-interest income	7,501	6,553
Total non-interest income	21,637	16,991
Wealth management fees
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	7,134	6,251
Insurance agency income
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	2,727	0
Service charges on deposit accounts
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	2,497	2,977
Debit card and ATM fees
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	1,778	1,210
Total banking service charges and other fees
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	$ 4,275	$ 4,187

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