Fair value of financial instruments - Carrying and Fair Values of Financial Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Investment securities:
Available-for-sale	$ 477,703	$ 517,321
Common equity securities	110	140
Held-to-maturity	76,563	70,446
Loans held for sale		408
Mortgage servicing rights	914	882
Financial liabilities:
Subordinated debentures	33,000	33,000
Carrying Value
Financial assets:
Cash and due from banks	37,868	279,933
Investment securities:
Available-for-sale	477,703	517,321
Common equity securities	110	140
Held-to-maturity	91,179	71,213
Loans held for sale		408
Net loans	2,702,644	2,300,790
Accrued interest receivable	11,715	8,528
Mortgage servicing rights	914	882
Restricted equity securities (FHLB and other)	9,630	4,045
Interest rate floor	1	844
Interest rate swaps	21,794	8,767
Total assets	3,353,558	3,192,871
Financial liabilities:
Deposits	3,046,598	2,963,397
Short-term borrowings	114,930
Long-term debt	555	2,711
Subordinated debentures	33,000	33,000
Accrued interest payable	903	408
Interest rate swap	21,466	8,811
Total liabilities	3,217,452	3,008,327
Fair Value
Financial assets:
Cash and due from banks	37,868	279,933
Investment securities:
Available-for-sale	477,703	517,321
Common equity securities	110	140
Held-to-maturity	76,563	70,446
Loans held for sale		408
Net loans	2,562,780	2,261,586
Accrued interest receivable	11,715	8,528
Mortgage servicing rights	1,762	1,357
Restricted equity securities (FHLB and other)	9,630	4,045
Interest rate floor	1	844
Interest rate swaps	21,794	8,767
Total assets	3,199,926	3,153,375
Financial liabilities:
Deposits	3,035,615	2,963,547
Short-term borrowings	114,743
Long-term debt	555	2,778
Subordinated debentures	53,998	32,337
Accrued interest payable	903	408
Interest rate swap	21,466	8,811
Total liabilities	3,227,280	3,007,881
Level 1
Financial assets:
Cash and due from banks	37,868	279,933
Investment securities:
Available-for-sale	180,297	191,574
Common equity securities	110	140
Level 2
Investment securities:
Available-for-sale	297,406	325,747
Held-to-maturity	76,563	70,446
Loans held for sale		408
Accrued interest receivable	11,715	8,528
Mortgage servicing rights	1,762	1,357
Restricted equity securities (FHLB and other)	9,630	4,045
Interest rate floor	1	844
Interest rate swaps	21,794	8,767
Financial liabilities:
Deposits	3,035,615	2,963,547
Short-term borrowings	114,743
Long-term debt	555	2,778
Subordinated debentures	53,998	32,337
Accrued interest payable	903	408
Interest rate swap	21,466	8,811
Level 3
Investment securities:
Net loans	$ 2,562,780	$ 2,261,586

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents accrued interest payable as of the balance sheet date.

No definition available.