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Loan and Lease Receivables, Impaired Loans and Leases and Allowance for Loan and Lease Losses (Allowance for Loan and Lease Losses by Type of Methodology) (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2020	Dec. 31, 2019
Financing Receivable, Allowance for Credit Losses
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	$ 25,495	$ 24,840
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	3,487	3,681
Allowance for loan and lease losses	28,982	28,521	$ 22,748	$ 19,520
Financing Receivable, Collectively Evaluated for Impairment	2,222,349	2,123,852
Financing Receivable, Individually Evaluated for Impairment	19,051	26,663
Loans and Leases Receivable, Gross	2,241,400	2,150,515
Total commercial real estate
Financing Receivable, Allowance for Credit Losses
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	17,960	16,657
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	485	500
Allowance for loan and lease losses	18,445	17,157	12,597	10,852
Financing Receivable, Collectively Evaluated for Impairment	1,386,816	1,348,738
Financing Receivable, Individually Evaluated for Impairment	5,678	10,398
Loans and Leases Receivable, Gross	1,392,494	1,359,136
Total commercial and Industrial
Financing Receivable, Allowance for Credit Losses
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	6,548	7,419
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	2,996	3,174
Allowance for loan and lease losses	9,544	10,593	9,322	8,078
Financing Receivable, Collectively Evaluated for Impairment	791,097	738,445
Financing Receivable, Individually Evaluated for Impairment	12,824	16,204
Loans and Leases Receivable, Gross	803,921	754,649
Total consumer and other
Financing Receivable, Allowance for Credit Losses
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	987	764
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	6	7
Allowance for loan and lease losses	993	771	$ 829	$ 590
Financing Receivable, Collectively Evaluated for Impairment	44,436	36,669
Financing Receivable, Individually Evaluated for Impairment	549	61
Loans and Leases Receivable, Gross	$ 44,985	$ 36,730

X

- Definition

The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

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Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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The balance of financing receivables that were collectively evaluated for impairment.

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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