Capital Requirements - Tabular Disclosure (Details) $ in Thousands	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Total Capital (to risk-weighted assets)
Actual, Amount	$ 594,371	$ 554,810
Required For Capital Adequacy Purposes, Amount	$ 403,060	$ 393,461
Actual, Ratio (as a percent)	0.155	0.148
Required For Capital Adequacy Purposes, Ratio (as a percent)	0.105	0.105
Tier 1 Capital (to risk-weighted assets)
Actual, Amount	$ 511,799	$ 475,609
Required For Capital Adequacy Purposes, Amount	$ 326,287	$ 318,516
Actual, Ratio (as a percent)	0.133	0.127
Required For Capital Adequacy Purposes, Ratio (as a percent)	0.085	0.085
Common Equity Tier 1 Capital (to risk-weighted assets)
Actual, Amount	$ 511,799	$ 475,609
Required For Capital Adequacy Purposes, Amount	$ 268,707	$ 262,307
Actual, Ratio (as a percent)	0.133%	0.127%
Required For Capital Adequacy Purposes, Ratio (as a percent)	0.07%	0.07%
Tier 1 Capital (to average assets)
Actual, Amount	$ 511,799	$ 475,609
Required For Capital Adequacy Purposes, Amount	$ 204,024	$ 207,852
Actual, Ratio (as a percent)	0.100	0.092
Required For Capital Adequacy Purposes, Ratio (as a percent)	0.040	0.040
HBC
Total Capital (to risk-weighted assets)
Actual, Amount	$ 572,907	$ 532,576
To Be Well Capitalized Under Regulatory Requirements, Amount	383,542	374,572
Required For Capital Adequacy Purposes, Amount	$ 402,719	$ 393,301
Actual, Ratio (as a percent)	14.9	14.2
To Be Well Capitalized Under Regulatory Requirements, Ratio (as a percent)	10.0	10.0
Required For Capital Adequacy Purposes, Ratio (as a percent)	10.5	10.5
Tier 1 Capital (to risk-weighted assets)
Actual, Amount	$ 529,836	$ 492,725
To Be Well Capitalized Under Regulatory Requirements, Amount	306,834	299,658
Required For Capital Adequacy Purposes, Amount	$ 326,011	$ 318,387
Actual, Ratio (as a percent)	13.8	13.2
To Be Well Capitalized Under Regulatory Requirements, Ratio (as a percent)	8.0	8.0
Required For Capital Adequacy Purposes, Ratio (as a percent)	8.5	8.5
Common Equity Tier 1 Capital (to risk-weighted assets)
Actual, Amount	$ 529,836	$ 492,725
To Be Well Capitalized Under Regulatory Requirements, Amount	249,302	243,472
Required For Capital Adequacy Purposes, Amount	$ 268,479	$ 262,201
Actual, Ratio (as a percent)	13.80%	13.20%
To Be Well Capitalized Under Regulatory Requirements, Ratio (as a percent)	6.50%	6.50%
Required For Capital Adequacy Purposes, Ratio (as a percent)	7.00%	7.00%
Tier 1 Capital (to average assets)
Actual, Amount	$ 529,836	$ 492,725
To Be Well Capitalized Under Regulatory Requirements, Amount	254,869	259,740
Required For Capital Adequacy Purposes, Amount	$ 203,895	$ 207,792
Actual, Ratio (as a percent)	10.4	9.5
To Be Well Capitalized Under Regulatory Requirements, Ratio (as a percent)	5.0	5.0
Required For Capital Adequacy Purposes, Ratio (as a percent)	4.0	4.0