Loans Receivable, Net - Schedule of Loans Receivable, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans receivable	$ 10,194,595	$ 9,918,054
Deferred origination costs, net of fees	9,263	7,488
Allowance for loan credit losses	(67,137)	(56,824)	$ (48,850)
Total loans receivable, net	10,136,721	9,868,718
Commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans receivable	6,964,397	6,791,691
Commercial | Commercial real estate - investor
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans receivable	5,353,974	5,171,952
Commercial | Commercial real estate – owner occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans receivable	943,891	997,367
Commercial | Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans receivable	666,532	622,372
Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans receivable	3,230,198	3,126,363
Allowance for loan credit losses	(988)	(1,106)	$ (1,268)
Consumer | Residential real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans receivable	2,979,534	2,861,991
Consumer | Home equity loans and lines and other consumer (“other consumer”)
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans receivable	$ 250,664	$ 264,372