Loans Receivable, Net - Schedule of Aging of Recorded Investment in Past Due Loans by Loan Portfolio Segment (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Financing Receivable, Past Due [Line Items]
Total loans receivable	$ 10,019,328	$ 10,194,595
Total Past Due
Financing Receivable, Past Due [Line Items]
Total loans receivable	29,363	40,088
30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans receivable	6,290	17,206
60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans receivable	3,365	1,996
90 Days or Greater Past Due
Financing Receivable, Past Due [Line Items]
Total loans receivable	19,708	20,886
Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Total loans receivable	9,989,965	10,154,507
Commercial real estate – investor
Financing Receivable, Past Due [Line Items]
Total loans receivable	5,324,994	5,353,974
Estimated realizable value	7,200	8,800
Commercial real estate – investor | Total Past Due
Financing Receivable, Past Due [Line Items]
Total loans receivable	15,338	16,863
Commercial real estate – investor | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans receivable	1,311	978
Commercial real estate – investor | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans receivable	0	684
Commercial real estate – investor | 90 Days or Greater Past Due
Financing Receivable, Past Due [Line Items]
Total loans receivable	14,027	15,201
Commercial real estate – investor | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Total loans receivable	5,309,656	5,337,111
Commercial real estate – owner occupied
Financing Receivable, Past Due [Line Items]
Total loans receivable	857,710	943,891
Commercial real estate – owner occupied | Total Past Due
Financing Receivable, Past Due [Line Items]
Total loans receivable	1,219	980
Commercial real estate – owner occupied | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans receivable	0	335
Commercial real estate – owner occupied | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans receivable	476	352
Commercial real estate – owner occupied | 90 Days or Greater Past Due
Financing Receivable, Past Due [Line Items]
Total loans receivable	743	293
Commercial real estate – owner occupied | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Total loans receivable	856,491	942,911
Commercial and industrial
Financing Receivable, Past Due [Line Items]
Total loans receivable	616,400	666,532
Commercial and industrial | Total Past Due
Financing Receivable, Past Due [Line Items]
Total loans receivable	1,178	308
Commercial and industrial | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans receivable	744	163
Commercial and industrial | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans receivable	0	0
Commercial and industrial | 90 Days or Greater Past Due
Financing Receivable, Past Due [Line Items]
Total loans receivable	434	145
Commercial and industrial | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Total loans receivable	615,222	666,224
Residential real estate
Financing Receivable, Past Due [Line Items]
Total loans receivable	2,977,698	2,979,534
Residential real estate | Total Past Due
Financing Receivable, Past Due [Line Items]
Total loans receivable	7,160	18,671
Residential real estate | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans receivable	1,137	14,858
Residential real estate | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans receivable	2,344	402
Residential real estate | 90 Days or Greater Past Due
Financing Receivable, Past Due [Line Items]
Total loans receivable	3,679	3,411
Residential real estate | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Total loans receivable	2,970,538	2,960,863
Other Consumer
Financing Receivable, Past Due [Line Items]
Total loans receivable	242,526	250,664
Other Consumer | Total Past Due
Financing Receivable, Past Due [Line Items]
Total loans receivable	4,468	3,266
Other Consumer | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans receivable	3,098	872
Other Consumer | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans receivable	545	558
Other Consumer | 90 Days or Greater Past Due
Financing Receivable, Past Due [Line Items]
Total loans receivable	825	1,836
Other Consumer | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Total loans receivable	$ 238,058	$ 247,398