Loans and Leases - Summary of Activity in Allowance for Loan and Lease Losses (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Financing Receivable, Troubled Debt Restructuring [Line Items]
Beginning balance	$ 62,011	$ 53,162	$ 53,162
Initial Allowance for Acquired PCD Assets	0	0
Provision for (Recovery of) Credit Losses	6,131	1,685
Charge-offs	(3,874)	(1,855)	(11,480)
Recoveries	554	311
Ending balance	64,822	53,303	62,011
Construction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Beginning balance	699	1,250	1,250
Initial Allowance for Acquired PCD Assets	0	0
Provision for (Recovery of) Credit Losses	2	32
Charge-offs	0	(9)	(9)
Recoveries	0	0
Ending balance	701	1,273	699
Commercial real estate, other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Beginning balance	20,915	17,710	17,710
Initial Allowance for Acquired PCD Assets	0	0
Provision for (Recovery of) Credit Losses	1,002	(1,230)
Charge-offs	(212)	(33)	(614)
Recoveries	83	27
Ending balance	21,788	16,474	20,915
Commercial and industrial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Beginning balance	10,490	8,229	8,229
Initial Allowance for Acquired PCD Assets	0	0
Provision for (Recovery of) Credit Losses	319	79
Charge-offs	(235)	(1)	(851)
Recoveries	7	0
Ending balance	10,581	8,307	10,490
Premium finance
Financing Receivable, Troubled Debt Restructuring [Line Items]
Beginning balance	484	344	344
Initial Allowance for Acquired PCD Assets	0	0
Provision for (Recovery of) Credit Losses	169	103
Charge-offs	(54)	(23)	(122)
Recoveries	8	9
Ending balance	607	433	484
Leases
Financing Receivable, Troubled Debt Restructuring [Line Items]
Beginning balance	10,850	8,495	8,495
Initial Allowance for Acquired PCD Assets	0	0
Provision for (Recovery of) Credit Losses	3,097	1,003
Charge-offs	(1,270)	(469)	(3,997)
Recoveries	212	80
Ending balance	12,889	9,109	10,850
Residential real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Beginning balance	5,937	6,357	6,357
Initial Allowance for Acquired PCD Assets	0	0
Provision for (Recovery of) Credit Losses	(74)	159
Charge-offs	(80)	(41)	(170)
Recoveries	83	29
Ending balance	5,866	6,504	5,937
Home equity lines of credit
Financing Receivable, Troubled Debt Restructuring [Line Items]
Beginning balance	1,588	1,693	1,693
Initial Allowance for Acquired PCD Assets	0	0
Provision for (Recovery of) Credit Losses	94	43
Charge-offs	0	(19)	(110)
Recoveries	7	0
Ending balance	1,689	1,717	1,588
Consumer, indirect
Financing Receivable, Troubled Debt Restructuring [Line Items]
Beginning balance	8,590	7,448	7,448
Initial Allowance for Acquired PCD Assets	0	0
Provision for (Recovery of) Credit Losses	1,101	1,183
Charge-offs	(1,461)	(929)	(4,030)
Recoveries	71	79
Ending balance	8,301	7,781	8,590
Consumer, direct
Financing Receivable, Troubled Debt Restructuring [Line Items]
Beginning balance	2,343	1,575	1,575
Initial Allowance for Acquired PCD Assets	0	0
Provision for (Recovery of) Credit Losses	153	133
Charge-offs	(226)	(104)	(416)
Recoveries	9	15
Ending balance	2,279	1,619	2,343
Deposit account overdrafts
Financing Receivable, Troubled Debt Restructuring [Line Items]
Beginning balance	115	61	61
Initial Allowance for Acquired PCD Assets	0	0
Provision for (Recovery of) Credit Losses	268	180
Charge-offs	(336)	(227)	(1,161)
Recoveries	74	72
Ending balance	$ 121	$ 86	$ 115