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Allowance for loan and lease losses, acquired portfolio.

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Allowance for loan and lease losses, acquired with deteriorated credit quality.

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Loans Receivable, acquired portfolio.

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The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

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Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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The balance of financing receivables that were collectively evaluated for impairment.

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The balance of financing receivables that were individually evaluated for impairment.

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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 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, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement.

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Loans and the Allowance for Loan Losses (Details) - Allowance for loan losses - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Allowance for loan and lease losses
Allowance for loan and lease losses, individually evaluated for impairment	$ 1,267	$ 36
Allowance for loan and lease losses, collectively evaluated for impairment	35,784	33,718
Allowance for loan and lease losses, acquired portfolio	1,242	1,200
Allowance for loan and lease losses, acquired with deteriorated credit quality
Allowance for loan and lease losses, total	38,293	34,954	$ 31,748	$ 25,744
Gross loans
Loans Receivable, individually evaluated for impairment	66,986	59,932
Loans Receivable, collectively evaluated for impairment	4,539,568	4,171,343
Loans Receivable, acquired portfolio	505,187	311,115
Loans Receivables, acquired with deteriorated credit quality	6,553	2,509
Loans Receivable, Total	5,118,294	4,544,899
Commercial Portfolio Segment [Member]
Allowance for loan and lease losses
Allowance for loan and lease losses, individually evaluated for impairment
Allowance for loan and lease losses, collectively evaluated for impairment	8,309	9,675
Allowance for loan and lease losses, acquired portfolio	40	200
Allowance for loan and lease losses, acquired with deteriorated credit quality
Allowance for loan and lease losses, total	8,349	9,875	8,233	6,632
Gross loans
Loans Receivable, individually evaluated for impairment	37,984	29,896
Loans Receivable, collectively evaluated for impairment	1,011,708	949,129
Loans Receivable, acquired portfolio	74,517	7,224
Loans Receivables, acquired with deteriorated credit quality	5,452	2,509
Loans Receivable, Total	1,129,661	988,758
Commercial Real Estate Portfolio Segment [Member]
Allowance for loan and lease losses
Allowance for loan and lease losses, individually evaluated for impairment		7
Allowance for loan and lease losses, collectively evaluated for impairment	19,967	17,840
Allowance for loan and lease losses, acquired portfolio	886	1,000
Allowance for loan and lease losses, acquired with deteriorated credit quality
Allowance for loan and lease losses, total	20,853	18,847	17,112	12,583
Gross loans
Loans Receivable, individually evaluated for impairment	15,249	18,327
Loans Receivable, collectively evaluated for impairment	2,669,999	2,500,132
Loans Receivable, acquired portfolio	355,610	259,708
Loans Receivables, acquired with deteriorated credit quality	1,101
Loans Receivable, Total	3,041,959	2,778,167
Commercial construction [Member]
Allowance for loan and lease losses
Allowance for loan and lease losses, individually evaluated for impairment	1,244
Allowance for loan and lease losses, collectively evaluated for impairment	5,744	4,519
Allowance for loan and lease losses, acquired portfolio	316
Allowance for loan and lease losses, acquired with deteriorated credit quality
Allowance for loan and lease losses, total	7,304	4,519	4,747	4,789
Gross loans
Loans Receivable, individually evaluated for impairment	12,179	9,240
Loans Receivable, collectively evaluated for impairment	578,620	456,149
Loans Receivable, acquired portfolio	32,527
Loans Receivables, acquired with deteriorated credit quality
Loans Receivable, Total	623,326	465,389
Residential Portfolio Segment [Member]
Allowance for loan and lease losses
Allowance for loan and lease losses, individually evaluated for impairment	23	29
Allowance for loan and lease losses, collectively evaluated for impairment	1,662	1,237
Allowance for loan and lease losses, acquired portfolio
Allowance for loan and lease losses, acquired with deteriorated credit quality
Allowance for loan and lease losses, total	1,685	1,266	1,050	958
Gross loans
Loans Receivable, individually evaluated for impairment	1,574	2,469
Loans Receivable, collectively evaluated for impairment	276,177	263,449
Loans Receivable, acquired portfolio	42,269	44,073
Loans Receivables, acquired with deteriorated credit quality
Loans Receivable, Total	320,020	309,991
Consumer Portfolio Segment [Member]
Allowance for loan and lease losses
Allowance for loan and lease losses, individually evaluated for impairment
Allowance for loan and lease losses, collectively evaluated for impairment	3	2
Allowance for loan and lease losses, acquired portfolio
Allowance for loan and lease losses, acquired with deteriorated credit quality
Allowance for loan and lease losses, total	3	2	1	3
Gross loans
Loans Receivable, individually evaluated for impairment
Loans Receivable, collectively evaluated for impairment	3,064	2,484
Loans Receivable, acquired portfolio	264	110
Loans Receivables, acquired with deteriorated credit quality
Loans Receivable, Total	3,328	2,594
Unallocated Financing Receivables [Member]
Allowance for loan and lease losses
Allowance for loan and lease losses, individually evaluated for impairment
Allowance for loan and lease losses, collectively evaluated for impairment	99	445
Allowance for loan and lease losses, acquired portfolio
Allowance for loan and lease losses, acquired with deteriorated credit quality
Allowance for loan and lease losses, total	$ 99	$ 445	$ 605	$ 779