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Loans, net and allowance for loan losses - Changes in Allowance for Loan Losses Account by Major Classification of Loans (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Allowance for loan losses:
Beginning Balance	$ 29,374	$ 26,739	$ 28,383	$ 27,344
Charge-offs	(101)	(466)	(554)	(851)
Recoveries	99	20	293	200
Provisions (credits)	450	400	1,700
Ending balance	29,822	26,693	29,822	26,693
Commercial
Allowance for loan losses:
Beginning Balance	7,766	8,520	8,453	8,734
Charge-offs		(446)	(161)	(461)
Recoveries	10	4	39	83
Provisions (credits)	(5)	(164)	(560)	(442)
Ending balance	7,771	7,914	7,771	7,914
Real estate Commercial
Allowance for loan losses:
Beginning Balance	17,569	14,281	15,928	14,559
Charge-offs	(15)	(12)	(147)	(252)
Recoveries	32	1	109	67
Provisions (credits)	437	519	2,133	415
Ending balance	18,023	14,789	18,023	14,789
Real estate Residential
Allowance for loan losses:
Beginning Balance	3,220	3,069	3,209	3,129
Charge-offs			(2)	(24)
Recoveries	1		4	2
Provisions (credits)	9	92	19	54
Ending balance	3,230	3,161	3,230	3,161
Consumer
Allowance for loan losses:
Beginning Balance	819	869	793	922
Charge-offs	(86)	(8)	(244)	(114)
Recoveries	56	15	141	48
Provisions (credits)	9	(47)	108	(27)
Ending balance	$ 798	$ 829	$ 798	$ 829

X

- Definition

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

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