Allowance for Loan and Lease Losses - Schedule of Detail in Allowance for Loan and Lease Losses (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	$ 43,410
Provision (credit)	445	$ 567
Ending Balance	40,328
Originated Loans and Leases
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	43,321	39,686
Charge-offs	(3,921)	(480)
Recoveries	365	293
Provision (credit)	480	608
Ending Balance	40,245	40,107
Total Acquired Loans
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	89	85
Charge-offs	0	(1)
Recoveries	29	61
Provision (credit)	(35)	(41)
Ending Balance	83	104
Commercial and industrial \| Originated Loans and Leases
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	11,217	11,812
Charge-offs	(380)	(3)
Recoveries	43	6
Provision (credit)	643	616
Ending Balance	11,523	12,431
Commercial and industrial \| Total Acquired Loans
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	55	25
Charge-offs	0	(1)
Recoveries	16	20
Provision (credit)	(71)	(19)
Ending Balance	0	25
Commercial real estate \| Originated Loans and Leases
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	23,483	20,412
Charge-offs	(3,343)	0
Recoveries	1	170
Provision (credit)	904	(180)
Ending Balance	21,045	20,402
Commercial real estate \| Total Acquired Loans
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	0	0
Charge-offs	0	0
Recoveries	6	8
Provision (credit)	19	(8)
Ending Balance	25	0
Residential real estate \| Originated Loans and Leases
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	7,317	6,161
Charge-offs	(18)	(185)
Recoveries	226	42
Provision (credit)	(1,121)	(46)
Ending Balance	6,404	5,972
Residential real estate \| Total Acquired Loans
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	28	54
Charge-offs	0	0
Recoveries	7	33
Provision (credit)	23	(14)
Ending Balance	58	73
Consumer and other \| Originated Loans and Leases
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	1,304	1,301
Charge-offs	(180)	(292)
Recoveries	95	75
Provision (credit)	54	218
Ending Balance	1,273	1,302
Consumer and other \| Total Acquired Loans
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	6	6
Charge-offs	0	0
Recoveries	0	0
Provision (credit)	(6)	0
Ending Balance	0	6
Finance Leases \| Originated Loans and Leases
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	0	0
Charge-offs	0	0
Recoveries	0	0
Provision (credit)	0	0
Ending Balance	0	0
Finance Leases \| Total Acquired Loans
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	0	0
Charge-offs	0	0
Recoveries	0	0
Provision (credit)	0	0
Ending Balance	$ 0	$ 0

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

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- Definition

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

+ References

No definition available.

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- Definition

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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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

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.

+ References

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- Definition

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

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