Loans (Details 3) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Allowance for loan losses
Beginning balance	$ 14,952	$ 13,777	$ 14,487	$ 13,592
Provision for loan losses	2,400	750	3,500	1,300
Loans charged off	(524)	(588)	(1,273)	(1,154)
Recoveries	132	283	246	484
Ending balance	16,960	14,222	16,960	14,222
Commercial real estate
Allowance for loan losses
Beginning balance	6,561	5,195	5,843	5,036
Provision for loan losses	1,349	374	2,066	533
Loans charged off	(97)	0	(97)	0
Recoveries	3	2	4	2
Ending balance	7,816	5,571	7,816	5,571
Commercial
Allowance for loan losses
Beginning balance	2,621	2,157	2,323	2,093
Provision for loan losses	654	46	1,149	153
Loans charged off	(49)	(14)	(247)	(58)
Recoveries	6	10	7	11
Ending balance	3,232	2,199	3,232	2,199
Residential real estate
Allowance for loan losses
Beginning balance	2,911	2,813	2,875	2,837
Provision for loan losses	32	211	161	183
Loans charged off	(34)	(126)	(142)	(147)
Recoveries	13	12	28	37
Ending balance	2,922	2,910	2,922	2,910
Consumer
Allowance for loan losses
Beginning balance	2,688	2,819	2,710	2,963
Provision for loan losses	186	125	510	307
Loans charged off	(344)	(448)	(787)	(949)
Recoveries	110	259	207	434
Ending balance	2,640	2,755	2,640	2,755
Unallocated
Allowance for loan losses
Beginning balance	171	793	736	663
Provision for loan losses	179	(6)	(386)	124
Loans charged off	0	0	0	0
Recoveries	0	0	0	0
Ending balance	$ 350	$ 787	$ 350	$ 787

Amount of increase in allowance for credit loss on financing receivable from recovery.

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Amount of writeoff of financing receivable, charged against allowance for credit loss.

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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 credit loss expense (reversal of expense) for financing receivable.

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