Loans Receivable, Net - ACL Activity (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Allowance for loan and lease losses
Balance at beginning of period	$ 192,757	$ 182,283	$ 172,665
Acquisitions	3
Provision for credit losses	27,179	20,790	17,433
Charge-offs	(18,626)	(15,095)	(14,970)
Recoveries	4,728	4,779	7,155
Balance at end of period	206,041	192,757	182,283
Residential Real Estate
Allowance for loan and lease losses
Balance at beginning of period	22,325	19,683	16,458
Acquisitions	0
Provision for credit losses	2,862	2,645	3,162
Charge-offs	(40)	(20)	(17)
Recoveries	34	17	80
Balance at end of period	25,181	22,325	19,683
Commercial Real Estate
Allowance for loan and lease losses
Balance at beginning of period	130,924	125,816	117,901
Acquisitions	3
Provision for credit losses	10,446	6,748	7,231
Charge-offs	(2,896)	(2,080)	(2,171)
Recoveries	68	440	2,855
Balance at end of period	138,545	130,924	125,816
Other Commercial
Allowance for loan and lease losses
Balance at beginning of period	21,194	21,454	24,703
Acquisitions	0
Provision for credit losses	7,162	1,996	(704)
Charge-offs	(5,778)	(3,891)	(4,201)
Recoveries	1,822	1,635	1,656
Balance at end of period	24,400	21,194	21,454
Home Equity
Allowance for loan and lease losses
Balance at beginning of period	11,766	10,759	8,566
Acquisitions	0
Provision for credit losses	(369)	969	1,943
Charge-offs	(131)	(129)	(85)
Recoveries	136	167	335
Balance at end of period	11,402	11,766	10,759
Other Consumer
Allowance for loan and lease losses
Balance at beginning of period	6,548	4,571	5,037
Acquisitions	0
Provision for credit losses	7,078	8,432	5,801
Charge-offs	(9,781)	(8,975)	(8,496)
Recoveries	2,668	2,520	2,229
Balance at end of period	$ 6,513	$ 6,548	$ 4,571