Loans Receivable, Net - Schedule of Aging of Recorded Investment in Past Due Loans by Loan Portfolio Segment (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Financing Receivable, Past Due [Line Items]
Total loans	$ 16,275,752	$ 11,032,003
Total Past Due
Financing Receivable, Past Due [Line Items]
Total loans	122,734	70,492
30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans	16,730	42,867
60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans	30,367	4,941
90 Days or Greater Past Due
Financing Receivable, Past Due [Line Items]
Total loans	75,637	22,684
Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Total loans	16,153,018	10,961,511
Commercial real estate – investor
Financing Receivable, Past Due [Line Items]
Total loans	9,125,313	5,420,989
Commercial real estate – investor \| Total Past Due
Financing Receivable, Past Due [Line Items]
Total loans	86,893	38,823
Commercial real estate – investor \| 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans	12,168	25,516
Commercial real estate – investor \| 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans	22,563	974
Commercial real estate – investor \| 90 Days or Greater Past Due
Financing Receivable, Past Due [Line Items]
Total loans	52,162	12,333
Commercial real estate – investor \| Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Total loans	9,038,420	5,382,166
Commercial and industrial: \| Total commercial and industrial
Financing Receivable, Past Due [Line Items]
Total loans	3,708,220	2,213,987
Commercial and industrial: \| Commercial and industrial – real estate
Financing Receivable, Past Due [Line Items]
Total loans	1,800,501	986,431
Commercial and industrial: \| Commercial and industrial - non-real estate
Financing Receivable, Past Due [Line Items]
Total loans	1,907,719	1,227,556
Commercial and industrial: \| Total Past Due \| Total commercial and industrial
Financing Receivable, Past Due [Line Items]
Total loans	24,887	6,901
Commercial and industrial: \| Total Past Due \| Commercial and industrial – real estate
Financing Receivable, Past Due [Line Items]
Total loans	17,117	4,868
Commercial and industrial: \| Total Past Due \| Commercial and industrial - non-real estate
Financing Receivable, Past Due [Line Items]
Total loans	7,770	2,033
Commercial and industrial: \| 30-59 Days Past Due \| Total commercial and industrial
Financing Receivable, Past Due [Line Items]
Total loans	2,547	1,807
Commercial and industrial: \| 30-59 Days Past Due \| Commercial and industrial – real estate
Financing Receivable, Past Due [Line Items]
Total loans	806	587
Commercial and industrial: \| 30-59 Days Past Due \| Commercial and industrial - non-real estate
Financing Receivable, Past Due [Line Items]
Total loans	1,741	1,220
Commercial and industrial: \| 60-89 Days Past Due \| Total commercial and industrial
Financing Receivable, Past Due [Line Items]
Total loans	3,305	235
Commercial and industrial: \| 60-89 Days Past Due \| Commercial and industrial – real estate
Financing Receivable, Past Due [Line Items]
Total loans	650	0
Commercial and industrial: \| 60-89 Days Past Due \| Commercial and industrial - non-real estate
Financing Receivable, Past Due [Line Items]
Total loans	2,655	235
Commercial and industrial: \| 90 Days or Greater Past Due \| Total commercial and industrial
Financing Receivable, Past Due [Line Items]
Total loans	19,035	4,859
Commercial and industrial: \| 90 Days or Greater Past Due \| Commercial and industrial – real estate
Financing Receivable, Past Due [Line Items]
Total loans	15,661	4,281
Commercial and industrial: \| 90 Days or Greater Past Due \| Commercial and industrial - non-real estate
Financing Receivable, Past Due [Line Items]
Total loans	3,374	578
Commercial and industrial: \| Loans Not Past Due \| Total commercial and industrial
Financing Receivable, Past Due [Line Items]
Total loans	3,683,333	2,207,086
Commercial and industrial: \| Loans Not Past Due \| Commercial and industrial – real estate
Financing Receivable, Past Due [Line Items]
Total loans	1,783,384	981,563
Commercial and industrial: \| Loans Not Past Due \| Commercial and industrial - non-real estate
Financing Receivable, Past Due [Line Items]
Total loans	1,899,949	1,225,523
Residential real estate
Financing Receivable, Past Due [Line Items]
Total loans	3,245,311	3,194,264
Residential real estate \| Total Past Due
Financing Receivable, Past Due [Line Items]
Total loans	8,065	21,862
Residential real estate \| 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans	1,002	14,517
Residential real estate \| 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans	4,465	3,672
Residential real estate \| 90 Days or Greater Past Due
Financing Receivable, Past Due [Line Items]
Total loans	2,598	3,673
Residential real estate \| Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Total loans	3,237,246	3,172,402
Other consumer
Financing Receivable, Past Due [Line Items]
Total loans	196,908	202,763
Other consumer \| Total Past Due
Financing Receivable, Past Due [Line Items]
Total loans	2,889	2,906
Other consumer \| 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans	1,013	1,027
Other consumer \| 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans	34	60
Other consumer \| 90 Days or Greater Past Due
Financing Receivable, Past Due [Line Items]
Total loans	1,842	1,819
Other consumer \| Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Total loans	$ 194,019	$ 199,857