Regulatory Capital Requirements (Details) $ in Thousands	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Regulatory Capital Requirements under Banking Regulations [Abstract]
Capital adequacy, minimum, common equity Tier 1	0.045
Capital adequacy, minimum Tier 1 risk-based capital ratio	0.060
Capital adequacy, minimum, total risk-based capital	0.080
Capital adequacy, minimum, Tier 1 leverage ratio	0.040
Well capitalized, minimum, common equity Tier 1	0.0650
Well capitalized, minimum, Tier 1 risk-based capital	0.0800
Well capitalized, minimum, total risk-based capital	0.1000
Well capitalized, minimum, leverage ratios	0.0500
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Common equity	$ 511,135	$ 364,285	$ 350,693
Goodwill	(63,266)	(63,266)
Core deposit intangible	(38,069)	(5,547)
DTAs that arise from net operating loss and tax credit carry forwards	(8,977)	0
AOCI (gains) losses	7,494	9,021
Common Equity Tier 1 Capital	408,317	304,493
TRUPs	29,158	18,398
Tier 1 Capital	437,475	322,891
Allowable reserve for credit losses and other Tier 2 adjustments	58,586	16,854
Subordinated debt	43,139	24,674
Total Capital	539,200	364,419
Risk-Weighted Assets ("RWA")	4,697,504	2,619,400
Average Assets ("AA")	$ 5,649,116	$ 3,390,516
Regulatory Minimum Ratio + CCB, Common Tier 1 Capital to RWA	7.00%
Common Tier 1 Capital to RWA	0.0869	0.1162
Regulatory Minimum Ratio + CCB, Tier 1 Capital to RWA	0.0850
Tier 1 Capital to RWA	0.0931	0.1233
Regulatory Minimum Ratio + CCB, Total Capital to RWA	10.50%
Total Capital to RWA	0.1148	0.1391
Tier 1 Capital to AA (Leverage)	0.0774	0.0952
The Bank
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Common equity	$ 570,100	$ 395,594
Goodwill	(63,266)	(63,266)
Core deposit intangible	(38,069)	(5,547)
DTAs that arise from net operating loss and tax credit carry forwards	(6,059)	0
AOCI (gains) losses	7,494	9,021
Common Equity Tier 1 Capital	470,200	335,802
TRUPs	0	0
Tier 1 Capital	470,200	335,802
Allowable reserve for credit losses and other Tier 2 adjustments	58,586	16,854
Subordinated debt	0	0
Total Capital	528,786	352,656
Risk-Weighted Assets ("RWA")	4,693,009	2,618,939
Average Assets ("AA")	$ 5,644,930	$ 3,386,771
Common Tier 1 Capital to RWA	0.1002	0.1282
Tier 1 Capital to RWA	0.1002	0.1282
Total Capital to RWA	0.1127	0.1347
Tier 1 Capital to AA (Leverage)	0.0833	0.0992