Schedule of Loans by Loan Classification [Line Items]

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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 deferred interest and fee income, unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of acquired loans. Excludes amounts for loans and leases covered under loss sharing agreements.

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

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Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

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Loans - Balance by Class of Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Gross loans
Gross Loans	$ 3,087,246	$ 2,568,562
Total loans	3,073,860	2,565,459
Allowance for loan losses	(44,565)	(33,614)	$ (33,849)	$ (32,915)
Net loans	3,029,295	2,531,845
Commercial
Gross loans
Gross Loans	2,740,288	2,212,883
Commercial real estate
Gross loans
Gross Loans	1,478,235	1,394,179
Allowance for loan losses	(26,755)	(18,338)	(18,014)
Commercial and industrial
Gross loans
Gross Loans	435,660	501,227
Allowance for loan losses	(9,516)	(9,129)	(10,493)
Commercial construction
Gross loans
Gross Loans	373,309	317,477
Allowance for loan losses	(6,129)	(4,149)	(3,307)
Retail
Gross loans
Gross Loans	346,958	355,679
Residential mortgages
Gross loans
Gross Loans	252,971	247,373
Allowance for loan losses	(1,530)	(1,195)	(1,160)
Home equity
Gross loans
Gross Loans	85,006	98,252
Allowance for loan losses	(467)	(536)	(629)
Consumer
Gross loans
Gross Loans	8,981	10,054
Allowance for loan losses	(168)	(267)	$ (246)
All loans excluding PPP loans
Gross loans
Deferred loan origination fees, net	(3,372)	(3,103)
SBA paycheck protection program
Gross loans
Gross Loans	453,084	0
Deferred loan origination fees, net	$ (10,014)	$ 0