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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	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018
Financing Receivable, Allowance for Credit Losses
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	$ 21,540		$ 16,155
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	5,924		3,365
Allowance for loan and lease losses	27,464	$ 22,748	19,520	$ 19,819	$ 20,449	$ 20,425
Financing Receivable, Collectively Evaluated for Impairment	2,041,261		1,694,623
Financing Receivable, Individually Evaluated for Impairment	24,144		20,753
Loans and Leases Receivable, Gross	2,065,405		1,715,376
Total commercial real estate
Financing Receivable, Allowance for Credit Losses
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	13,386		9,770
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	3,052		1,082
Allowance for loan and lease losses	16,438	12,597	10,852	11,269	11,205	11,662
Financing Receivable, Collectively Evaluated for Impairment	1,213,264		1,148,070
Financing Receivable, Individually Evaluated for Impairment	8,934		6,031
Loans and Leases Receivable, Gross	1,222,198		1,154,101
Total commercial and Industrial
Financing Receivable, Allowance for Credit Losses
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	7,307		5,795
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	2,872		2,283
Allowance for loan and lease losses	10,179	9,322	8,078	7,892	8,485	8,079
Financing Receivable, Collectively Evaluated for Impairment	791,681		517,030
Financing Receivable, Individually Evaluated for Impairment	15,083		14,575
Loans and Leases Receivable, Gross	806,764		531,605
Total consumer and other
Financing Receivable, Allowance for Credit Losses
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	847		590
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0		0
Allowance for loan and lease losses	847	$ 829	590	$ 658	$ 759	$ 684
Financing Receivable, Collectively Evaluated for Impairment	36,316		29,523
Financing Receivable, Individually Evaluated for Impairment	127		147
Loans and Leases Receivable, Gross	$ 36,443		$ 29,670

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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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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