Income Taxes - Net Deferred Tax Asset (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Deferred tax assets:
Allowance for loan losses	$ 7,642	$ 3,981
Loan fees	1,053	898
Deferred compensation	1,476	1,115
Benefit plans	60	56
Unrealized loss on securities	4,992	5,137
Lease adjustments	74	193
Business combination adjustments	5,669	2,066
Acquired NOL, Section 1231, and charitable contribution carryforwards	3,832	686
Rabbi Trust	593	985
Riverview AMT credits	696	771
Equity Comp	256	0
Riverview subordinated debt fair value adjustment	327	353
Software renewal costs	335	420
Unfunded and loan basis adjustments	635	0
Investments in Flow-through entities	391	0
Other	378	874
Deferred tax assets, gross, total	28,409	17,535
Deferred tax liabilities:
Depreciation	(1,397)	(1,175)
Bond accretion	(187)	(97)
Goodwill and intangibles	(1,017)	(362)
Prepaid expenses	(227)	(797)
Business combination adjustments	0	(398)
Benefit plans	(1,199)	(1,049)
Interest Rate Swaps	(236)	0
Deferred tax liabilities, gross, total	(4,263)	(3,878)
Deferred tax asset, net	$ 24,146	$ 13,657