Loans Receivable, Net - Summary of Loans Receivable (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Summary of Loans Receivable
Loans receivable	$ 15,246,812	$ 13,432,031
Allowance for credit losses	(182,283)	(172,665)	$ (158,243)	$ (124,490)
Loans receivable, net	15,064,529	13,259,366
Net deferred origination (fees) costs included in loans receivable	(25,882)	(21,667)
Net purchase accounting (discounts) premiums included in loans receivable	(17,832)	(25,166)
Accrued interest receivable on loans	54,971	49,133
Residential Real Estate
Summary of Loans Receivable
Loans receivable	1,446,008	1,051,883
Allowance for credit losses	(19,683)	(16,458)	(9,604)	(10,111)
Commercial Real Estate
Summary of Loans Receivable
Loans receivable	9,797,047	8,630,831
Allowance for credit losses	(125,816)	(117,901)	(86,999)	(69,496)
Other Commercial
Summary of Loans Receivable
Loans receivable	2,799,668	2,664,190
Allowance for credit losses	(21,454)	(24,703)	(49,133)	(36,129)
Home Equity
Summary of Loans Receivable
Loans receivable	822,232	736,288
Allowance for credit losses	(10,759)	(8,566)	(8,182)	(4,937)
Other Consumer
Summary of Loans Receivable
Loans receivable	381,857	348,839
Allowance for credit losses	$ (4,571)	$ (5,037)	$ (4,325)	$ (3,817)