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	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Allowance for credit losses roll-forward
Allowance for loan and lease losses - begin	$ 20,449	$ 18,638	$ 20,425	$ 18,763
Charge-offs	(15)	(306)	(63)	(2,990)
Recoveries	169	21	193	105
Net (charge-offs) recoveries	154	(285)	130	(2,885)
Provision for credit loss	(784)	2,579	(736)	5,054
Allowance for loan and lease losses - end	19,819	20,932	19,819	20,932
Total commercial real estate
Allowance for credit losses roll-forward
Allowance for loan and lease losses - begin	11,205	9,990	11,662	10,131
Charge-offs	0	(121)	0	(2,296)
Recoveries	72	2	73	15
Net (charge-offs) recoveries	72	(119)	73	(2,281)
Provision for credit loss	(8)	1,276	(466)	3,297
Allowance for loan and lease losses - end	11,269	11,147	11,269	11,147
Total commercial and Industrial
Allowance for credit losses roll-forward
Allowance for loan and lease losses - begin	8,485	8,151	8,079	8,225
Charge-offs	(13)	(168)	(61)	(657)
Recoveries	72	17	92	19
Net (charge-offs) recoveries	59	(151)	31	(638)
Provision for credit loss	(652)	1,237	(218)	1,650
Allowance for loan and lease losses - end	7,892	9,237	7,892	9,237
Total consumer and other
Allowance for credit losses roll-forward
Allowance for loan and lease losses - begin	759	497	684	407
Charge-offs	(2)	(17)	(2)	(37)
Recoveries	25	2	28	71
Net (charge-offs) recoveries	23	(15)	26	34
Provision for credit loss	(124)	66	(52)	107
Allowance for loan and lease losses - end	$ 658	$ 548	$ 658	$ 548

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

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Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.

+ References

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

+ References

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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No definition available.

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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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