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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) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019
Allowance for credit losses:
Allowance for loan and lease losses - begin				$ 19,520				$ 20,425	$ 19,520	$ 20,425
Charge-offs									(8,139)	(3,356)
Recoveries									332	366
Net (charge-offs) recoveries									(7,807)	(2,990)
Provision for credit loss	$ 4,322	$ 3,835	$ 5,469	3,182	$ 1,472	$ 1,349	$ (784)	49	16,808	2,085
Allowance for loan and lease losses - end	28,521				19,520				28,521	19,520
Commercial real estate:
Allowance for credit losses:
Allowance for loan and lease losses - begin				10,852				11,662	10,852	11,662
Charge-offs									(6,119)	0
Recoveries									4	75
Net (charge-offs) recoveries									(6,115)	75
Provision for credit loss									12,420	(885)
Allowance for loan and lease losses - end	17,157				10,852				17,157	10,852
Commercial and Industrial Loans and Leases Receivable
Allowance for credit losses:
Allowance for loan and lease losses - begin				8,078				8,079	8,078	8,079
Charge-offs									(2,007)	(3,347)
Recoveries									325	262
Net (charge-offs) recoveries									(1,682)	(3,085)
Provision for credit loss									4,197	3,084
Allowance for loan and lease losses - end	10,593				8,078				10,593	8,078
Consumer and other:
Allowance for credit losses:
Allowance for loan and lease losses - begin				$ 590				$ 684	590	684
Charge-offs									(13)	(9)
Recoveries									3	29
Net (charge-offs) recoveries									(10)	20
Provision for credit loss									191	(114)
Allowance for loan and lease losses - end	$ 771				$ 590				$ 771	$ 590

X

- Definition

Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
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Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.

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Amount, after recoveries, of loans and leases that have been written-off.

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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 of expense related to estimated loss from loan and lease transactions.

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