Regulatory Capital (Details) $ in Thousands	Jun. 30, 2023 USD ($)	Dec. 31, 2022 USD ($)
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Total capital (to risk-weighted assets), actual, amount	$ 805,382	$ 776,390
Total capital (to risk-weighted assets), actual, ratio	0.1432	0.1437
Total capital (to risk-weighted assets), for capital adequacy purposes, amount	$ 449,915	$ 432,172
Total capital (to risk-weighted assets), For capital adequacy purposes, ratio	0.0800	0.0800
Total capital (to risk-weighted assets), required for capital1 adequacy purposes with capital buffer, amount	$ 590,513	$ 567,226
Total capital (to risk-weighted assets), required for capital1 adequacy purposes with capital buffer, ratio	10.50%	10.50%
Tier 1 capital (to average assets), actual, amount	$ 755,406	$ 729,835
Tier 1 capital (to average assets), actual, ratio	0.1343	0.1351
Tier 1 capital (to average assets), for capital adequacy purposes, amount	$ 337,436	$ 324,129
Tier 1 capital (to average assets), for capital adequacy purpose, ratio	0.0600	0.0600
Tier 1 capital (to average assets), required for capital1 adequacy purposes with capital buffer, amount	$ 478,035	$ 459,183
Tier 1 capital (to average assets), required for capital1 adequacy purposes with capital buffer, ratio	8.50%	8.50%
Common equity tier 1 capital, actual amount	$ 635,127	$ 609,630
Common equity tier 1 capital, actual ratio	0.1129	0.1128
Common equity tier 1 capital, for capital adequacy purposes, amount	$ 253,077	$ 243,097
Common equity tier 1 capital, for capital adequacy purpose, ratio	4.50%	4.50%
Common equity tier 1 capital (to risk-weighted assets), required for capital adequacy purposes with capital buffer, amount	$ 393,676	$ 378,151
Common equity tier 1 capital (to risk-weighted assets), required for capital adequacy purposes with capital buffer, ratio	7.00%	7.00%
Tier 1 capital (to average assets), actual, amount	$ 755,406	$ 729,835
Tier 1 capital (to average assets), actual, ratio	0.0979	0.1003
Tier 1 capital (to average assets), for capital adequacy purposes, amount	$ 308,792	$ 291,122
Tier 1 capital (to average assets), for capital adequacy purpose, ratio	0.0400	0.0400
Tier 1 capital (to average assets), required for capital1 adequacy purposes with capital buffer, amount	$ 308,792	$ 291,122
Tier 1 capital (to average assets), required for capital1 adequacy purposes with capital buffer, ratio	4.00%	4.00%
Bank
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Total capital (to risk-weighted assets), actual, amount	$ 732,236	$ 726,339
Total capital (to risk-weighted assets), actual, ratio	0.1303	0.1359
Total capital (to risk-weighted assets), for capital adequacy purposes, amount	$ 449,727	$ 427,456
Total capital (to risk-weighted assets), For capital adequacy purposes, ratio	0.0800	0.0800
Total capital (to risk-weighted assets), required for capital1 adequacy purposes with capital buffer, amount	$ 590,267	$ 561,036
Total capital (to risk-weighted assets), required for capital1 adequacy purposes with capital buffer, ratio	10.50%	10.50%
Total capital (to risk-weighted assets), for well capitalized purpose, amount	$ 562,159	$ 534,320
Total capital (to risk-weighted assets), for well capitalized purpose, ratio	0.1000	0.1000
Tier 1 capital (to average assets), actual, amount	$ 681,271	$ 679,784
Tier 1 capital (to average assets), actual, ratio	0.1212	0.1272
Tier 1 capital (to average assets), for capital adequacy purposes, amount	$ 337,295	$ 320,592
Tier 1 capital (to average assets), for capital adequacy purpose, ratio	0.0600	0.0600
Tier 1 capital (to average assets), required for capital1 adequacy purposes with capital buffer, amount	$ 477,835	$ 454,172
Tier 1 capital (to average assets), required for capital1 adequacy purposes with capital buffer, ratio	8.50%	8.50%
Tier 1 capital (to average assets), for well capitalized purpose, amount	$ 449,727	$ 427,456
Tier 1 capital (to average assets), for well capitalized purposes, ratio	0.0800	0.0800
Common equity tier 1 capital, actual amount	$ 681,271	$ 679,784
Common equity tier 1 capital, actual ratio	0.1212	0.1272
Common equity tier 1 capital, for capital adequacy purposes, amount	$ 252,971	$ 240,444
Common equity tier 1 capital, for capital adequacy purpose, ratio	4.50%	4.50%
Common equity tier 1 capital (to risk-weighted assets), required for capital adequacy purposes with capital buffer, amount	$ 393,511	$ 374,024
Common equity tier 1 capital (to risk-weighted assets), required for capital adequacy purposes with capital buffer, ratio	7.00%	7.00%
Common equity tier 1 capital, for well capitalized purpose, amount	$ 365,403	$ 347,308
Common equity tier 1 capital, for well capitalized purposes, ratio	6.50%	6.50%
Tier 1 capital (to average assets), actual, amount	$ 681,271	$ 679,784
Tier 1 capital (to average assets), actual, ratio	0.0872	0.0889
Tier 1 capital (to average assets), for capital adequacy purposes, amount	$ 312,663	$ 305,996
Tier 1 capital (to average assets), for capital adequacy purpose, ratio	0.0400	0.0400
Tier 1 capital (to average assets), required for capital1 adequacy purposes with capital buffer, amount	$ 312,663	$ 305,999
Tier 1 capital (to average assets), required for capital1 adequacy purposes with capital buffer, ratio	4.00%	4.00%
Tier 1 capital (to average assets), for well capitalized purpose, amount	$ 390,829	$ 382,495
Tier 1 capital (to average assets), for well capitalized purposes, ratio	0.0500	0.0500