Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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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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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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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 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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Loans, net and allowance for loan losses - Allocation of Allowance for Loan Losses and Related Loans by Major Classification of Loans (Details)old - USD ($) $ in Thousands	Sep. 30, 2020	Jun. 30, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Dec. 31, 2018
Allowance for loan losses:
Ending balance	$ 26,584	$ 26,957	$ 22,677	$ 22,392	$ 21,930	$ 21,379
Ending balance: individually evaluated for impairment	1,384		777
Ending balance: collectively evaluated for impairment	25,200		21,900
Loans receivable:
Ending balance	2,188,463		1,938,240
Ending balance: individually evaluated for impairment	10,782		10,120
Ending balance: collectively evaluated for impairment	2,177,681		1,928,120
Commercial
Allowance for loan losses:
Ending balance	8,455	8,487	6,888	5,923	6,142	5,516
Ending balance: individually evaluated for impairment	1,113		363
Ending balance: collectively evaluated for impairment	7,342		6,525
Loans receivable:
Ending balance	698,612		522,957
Ending balance: individually evaluated for impairment	4,739		4,658
Ending balance: collectively evaluated for impairment	693,873		518,299
Real estate Commercial
Allowance for loan losses:
Ending balance	13,798	13,855	11,496	11,770	11,042	10,736
Ending balance: individually evaluated for impairment	179		279
Ending balance: collectively evaluated for impairment	13,619		11,217
Loans receivable:
Ending balance	1,111,645		1,011,423
Ending balance: individually evaluated for impairment	4,161		3,048
Ending balance: collectively evaluated for impairment	1,107,484		1,008,375
Real estate Residential
Allowance for loan losses:
Ending balance	3,346	3,567	3,226	3,556	3,615	3,892
Ending balance: individually evaluated for impairment	92		135
Ending balance: collectively evaluated for impairment	3,254		3,091
Loans receivable:
Ending balance	290,604		301,378
Ending balance: individually evaluated for impairment	1,779		2,153
Ending balance: collectively evaluated for impairment	288,825		299,225
Consumer
Allowance for loan losses:
Ending balance	985	$ 1,048	1,067	$ 1,143	$ 1,131	$ 1,235
Ending balance: collectively evaluated for impairment	985		1,067
Loans receivable:
Ending balance	87,602		102,482
Ending balance: individually evaluated for impairment	103		261
Ending balance: collectively evaluated for impairment	$ 87,499		$ 102,221