Loans and Leases - Narrative (Details)		3 Months Ended		9 Months Ended		12 Months Ended
		Sep. 30, 2022 USD ($) loan	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) relationship	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) loan	Jun. 30, 2022 USD ($)	Mar. 07, 2022 USD ($)	Dec. 31, 2021 USD ($)
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable	[1]	$ 4,611,207,000		$ 4,611,207,000		$ 4,611,207,000			$ 4,481,600,000
Number of commercial relationships paid off | relationship				1
Percent of loans considered current		98.90%		98.90%		98.90%			98.80%
Recorded investment in loans individually evaluated for impairment		$ 1,000,000		$ 1,000,000		$ 1,000,000
Aggregate credit exposure threshold		1,000,000		$ 1,000,000		$ 1,000,000
Number of relationships no longer considered collateral dependent | relationship				3
Number of loans subsequently default | loan						5
TDR subsequent default amount						$ 202,000
Commitments to lend		0		$ 0		0
Provision for (recovery of) credit losses		1,776,000	$ 8,994,000	(5,811,000)	$ 7,333,000
Increase in allowance for credit loss for acquired purchased credit deteriorated assets		377,000	22,334,000	(629,000)	22,827,000
Net charge-off		1,700,000
Credit loss liability		2,100,000		2,100,000		2,100,000	$ 2,100,000		$ 2,500,000
90 + Days
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable		28,302,000		28,302,000		28,302,000			25,320,000
Interest income				1,100,000
Loans Receivable
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable		4,611,207,000		4,611,207,000		4,611,207,000			4,481,600,000
Interest receivable		13,100,000		13,100,000		13,100,000			12,000,000
Leases
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable		312,847,000		312,847,000		312,847,000			122,508,000
Increase in allowance for credit loss for acquired purchased credit deteriorated assets		377,000	0	801,000	493,000
Net charge-off		$ 600,000
Number of loans charged-off | loan		3
Leases | 90 + Days
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable		$ 6,749,000		6,749,000		6,749,000			$ 1,581,000
Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Increase in allowance for credit loss for acquired purchased credit deteriorated assets		0	4,286,000	(418,000)	$ 4,286,000
Paycheck Protection Program
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable		3,700,000		3,700,000		3,700,000
Deferred origination costs		61,000		$ 61,000		$ 61,000
Amortization of deferred loan fees		400,000	$ 3,800,000
Vantage Financial LLC
Financing Receivable, Allowance for Credit Loss [Line Items]
Leases acquired								$ 154,925,000
Premier Financial Bancorp, Inc.
Financing Receivable, Allowance for Credit Loss [Line Items]
Provision for (recovery of) credit losses		$ 1,800,000

[1] Also referred to throughout this Quarterly Report on Form 10-Q as "total loans" and "loans held for investment."