Capital Requirements - Tabular Disclosure (Details) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2024 USD ($)	Dec. 31, 2023 USD ($)
Total Capital (to risk-weighted assets)
Actual, Amount	$ 605,396	$ 594,371
Required For Capital Adequacy Purposes, Amount	$ 406,919	$ 403,060
Actual, Ratio (as a percent)	0.156	0.155
Required For Capital Adequacy Purposes, Ratio (as a percent)	0.105	0.105
Tier 1 Capital (to risk-weighted assets)
Actual, Amount	$ 520,133	$ 511,799
Required For Capital Adequacy Purposes, Amount	$ 329,411	$ 326,287
Actual, Ratio (as a percent)	0.134	0.133
Required For Capital Adequacy Purposes, Ratio (as a percent)	0.085	0.085
Common Equity Tier 1 Capital (to risk-weighted assets)
Actual, Amount	$ 520,133	$ 511,799
Required For Capital Adequacy Purposes, Amount	$ 271,279	$ 268,707
Actual, Ratio (as a percent)	0.134%	0.133%
Required For Capital Adequacy Purposes, Ratio (as a percent)	0.07%	0.07%
Tier 1 Capital (to average assets)
Actual, Amount	$ 520,133	$ 511,799
Required For Capital Adequacy Purposes, Amount	$ 207,279	$ 204,024
Actual, Ratio (as a percent)	0.100	0.100
Required For Capital Adequacy Purposes, Ratio (as a percent)	0.040	0.040
Capital conservation buffer (as a percent)	0.025%	0.025%
HBC
Total Capital (to risk-weighted assets)
Actual, Amount	$ 585,034	$ 572,907
To Be Well Capitalized Under Regulatory Requirements, Amount	387,242	383,542
Required For Capital Adequacy Purposes, Amount	$ 406,604	$ 402,719
Actual, Ratio (as a percent)	0.151	0.149
To Be Well Capitalized Under Regulatory Requirements, Ratio (as a percent)	0.100	0.100
Required For Capital Adequacy Purposes, Ratio (as a percent)	0.105	0.105
Tier 1 Capital (to risk-weighted assets)
Actual, Amount	$ 539,386	$ 529,836
To Be Well Capitalized Under Regulatory Requirements, Amount	309,793	306,834
Required For Capital Adequacy Purposes, Amount	$ 329,156	$ 326,011
Actual, Ratio (as a percent)	0.139	0.138
To Be Well Capitalized Under Regulatory Requirements, Ratio (as a percent)	0.080	0.080
Required For Capital Adequacy Purposes, Ratio (as a percent)	0.085	0.085
Common Equity Tier 1 Capital (to risk-weighted assets)
Actual, Amount	$ 539,386	$ 529,836
To Be Well Capitalized Under Regulatory Requirements, Amount	251,707	249,302
Required For Capital Adequacy Purposes, Amount	$ 271,069	$ 268,479
Actual, Ratio (as a percent)	0.139%	0.138%
To Be Well Capitalized Under Regulatory Requirements, Ratio (as a percent)	0.065%	0.065%
Required For Capital Adequacy Purposes, Ratio (as a percent)	0.07%	0.07%
Tier 1 Capital (to average assets)
Actual, Amount	$ 539,386	$ 529,836
To Be Well Capitalized Under Regulatory Requirements, Amount	258,949	254,869
Required For Capital Adequacy Purposes, Amount	$ 207,159	$ 203,895
Actual, Ratio (as a percent)	0.104	0.104
To Be Well Capitalized Under Regulatory Requirements, Ratio (as a percent)	0.050	0.050
Required For Capital Adequacy Purposes, Ratio (as a percent)	0.040	0.040
Capital conservation buffer (as a percent)	0.025%	0.025%