LOANS - Summary of Delinquent and Nonaccrual Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Accounts Notes And Loans Receivable [Line Items]
Nonaccrual Past Due and Still Accruing	$ 10,331	$ 8,330
Total loans	10,726,193	6,906,728
Total	$ 10,726,193	$ 6,906,728
Percentage of Total Loans Due Nonaccrual	0.10%	0.12%
Financial Asset, Past Due
Accounts Notes And Loans Receivable [Line Items]
Total loans	$ 31,087	$ 13,656
Percentage of Total Loans	0.29%	0.20%
30-59 Days
Accounts Notes And Loans Receivable [Line Items]
Total loans	$ 15,896	$ 4,756
Percentage of Total Loans Due 30-59 Days	0.15%	0.07%
60-89 Days
Accounts Notes And Loans Receivable [Line Items]
Total loans	$ 2,665	$ 570
Percentage of Total Loans Due 60-89 Days	0.02%	0.01%
90 Days or More
Accounts Notes And Loans Receivable [Line Items]
Total loans	$ 2,195
Percentage of Total Loans Due 90 Days or More	0.02%
Financial Asset, Not Past Due
Accounts Notes And Loans Receivable [Line Items]
Total loans	$ 10,695,106	$ 6,893,072
Residential Properties
Accounts Notes And Loans Receivable [Line Items]
Total	6,377,224	3,832,495
Commercial real estate
Accounts Notes And Loans Receivable [Line Items]
Total loans	1,202,063	1,309,575
Total	1,202,063	1,309,575
Land and Construction
Accounts Notes And Loans Receivable [Line Items]
Total loans	157,630	155,926
Total	157,630	155,926
Commercial and Industrial Loans
Accounts Notes And Loans Receivable [Line Items]
Nonaccrual Past Due and Still Accruing	3,228	3,520
Total loans	2,984,758	1,597,865
Total	2,984,758	1,597,865
Commercial and Industrial Loans | Financial Asset, Past Due
Accounts Notes And Loans Receivable [Line Items]
Total loans	6,090	4,083
Commercial and Industrial Loans | 30-59 Days
Accounts Notes And Loans Receivable [Line Items]
Total loans	385	303
Commercial and Industrial Loans | 60-89 Days
Accounts Notes And Loans Receivable [Line Items]
Total loans	1,495	260
Commercial and Industrial Loans | 90 Days or More
Accounts Notes And Loans Receivable [Line Items]
Total loans	982
Commercial and Industrial Loans | Financial Asset, Not Past Due
Accounts Notes And Loans Receivable [Line Items]
Total loans	2,978,668	1,593,782
Consumer Loans
Accounts Notes And Loans Receivable [Line Items]
Total loans	4,518	10,867
Total	4,518	10,867
Consumer Loans | Financial Asset, Past Due
Accounts Notes And Loans Receivable [Line Items]
Total loans	167
Consumer Loans | 60-89 Days
Accounts Notes And Loans Receivable [Line Items]
Total loans	167
Consumer Loans | Financial Asset, Not Past Due
Accounts Notes And Loans Receivable [Line Items]
Total loans	4,351	10,867
Real Estate Loans | Residential Properties
Accounts Notes And Loans Receivable [Line Items]
Nonaccrual Past Due and Still Accruing	2,556	3,281
Total	6,377,224	3,832,495
Real Estate Loans | Residential Properties | Financial Asset, Past Due
Accounts Notes And Loans Receivable [Line Items]
Total loans	3,124	5,110
Real Estate Loans | Residential Properties | 30-59 Days
Accounts Notes And Loans Receivable [Line Items]
Total loans	511	1,519
Real Estate Loans | Residential Properties | 60-89 Days
Accounts Notes And Loans Receivable [Line Items]
Total loans	57	310
Real Estate Loans | Residential Properties | Financial Asset, Not Past Due
Accounts Notes And Loans Receivable [Line Items]
Total loans	6,374,100	3,827,385
Real Estate Loans | Commercial real estate
Accounts Notes And Loans Receivable [Line Items]
Nonaccrual Past Due and Still Accruing	4,547	1,529
Total	1,202,063	1,309,575
Real Estate Loans | Commercial real estate | Financial Asset, Past Due
Accounts Notes And Loans Receivable [Line Items]
Total loans	21,706	4,463
Real Estate Loans | Commercial real estate | 30-59 Days
Accounts Notes And Loans Receivable [Line Items]
Total loans	15,000	2,934
Real Estate Loans | Commercial real estate | 60-89 Days
Accounts Notes And Loans Receivable [Line Items]
Total loans	946
Real Estate Loans | Commercial real estate | 90 Days or More
Accounts Notes And Loans Receivable [Line Items]
Total loans	1,213
Real Estate Loans | Commercial real estate | Financial Asset, Not Past Due
Accounts Notes And Loans Receivable [Line Items]
Total loans	1,180,357	1,305,112
Real Estate Loans | Land and Construction
Accounts Notes And Loans Receivable [Line Items]
Total	157,630	155,926
Real Estate Loans | Land and Construction | Financial Asset, Not Past Due
Accounts Notes And Loans Receivable [Line Items]
Total loans	$ 157,630	$ 155,926