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Loan and Lease Receivables, Impaired Loans and Leases and Allowance for Loan and Lease Losses (Summary of Activity in Allowance for Loan and Lease Losses) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Allowance for credit losses roll-forward
Allowance for loan and lease losses - begin	$ 24,336	$ 28,521
Charge-offs	(22)	(144)
Recoveries	210	2,673
Net (charge-offs) recoveries	188	2,529
Provision for credit loss	(855)	(2,068)
Allowance for loan and lease losses - end	23,669	28,982
Total commercial real estate
Allowance for credit losses roll-forward
Allowance for loan and lease losses - begin	15,110	17,157
Charge-offs	0	0
Recoveries	116	2,219
Net (charge-offs) recoveries	116	2,219
Provision for credit loss	(1,461)	(931)
Allowance for loan and lease losses - end	13,765	18,445
Total commercial and Industrial
Allowance for credit losses roll-forward
Allowance for loan and lease losses - begin	8,413	10,593
Charge-offs	(22)	(144)
Recoveries	84	453
Net (charge-offs) recoveries	62	309
Provision for credit loss	437	(1,358)
Allowance for loan and lease losses - end	8,912	9,544
Total consumer and other
Allowance for credit losses roll-forward
Allowance for loan and lease losses - begin	813	771
Charge-offs	0	0
Recoveries	10	1
Net (charge-offs) recoveries	10	1
Provision for credit loss	169	221
Allowance for loan and lease losses - end	$ 992	$ 993

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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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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