Summary of Significant Accounting Policies - Narrative (Details)		12 Months Ended
	Jul. 23, 2025 USD ($)	Dec. 31, 2025 USD ($) segment qtr	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Summary Of Significant Accounting Policies [Line Items]
Accrued interest reversed against interest income		$ 0	$ 0
Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration]		Accrued interest receivable and other assets	Accrued interest receivable and other assets
Accrued interest receivable on available-for-sale debt securities		$ 3,100,000	$ 2,100,000
Debt Securities, Held-to-Maturity, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration]		Accrued interest receivable and other assets	Accrued interest receivable and other assets
Accrued interest receivable on held-to-maturity debt securities		$ 857,000	$ 1,100,000
Accrued interest receivable		$ 30,300,000	$ 21,600,000
Period of delinquent loan		90 days
Number of quarters used in the mean loss calculation | qtr		8
DCF methodology, percentage (in percent)		91.90%	91.30%
WARM methodology, percentage (in percent)		8.10%	8.70%
Credit losses on OBS credit exposures		$ 1,152,000	$ 944,000	$ 759,000	$ 603,000
Number of operating segment | segment		1
Number of reportable segments | segment		1
Allowance for credit losses at acquisition		$ 18,244,000
Financial Asset Acquired with Credit Deterioration
Summary Of Significant Accounting Policies [Line Items]
Allowance for credit losses at acquisition	$ 16,400,000
Essa Acquisition
Summary Of Significant Accounting Policies [Line Items]
Allowance for credit losses at acquisition	1,857,000
Essa Acquisition | Financial Asset Acquired with Credit Deterioration
Summary Of Significant Accounting Policies [Line Items]
Allowance for credit losses at acquisition	$ 16,400,000
Premises and Equipment | Minimum
Summary Of Significant Accounting Policies [Line Items]
Useful lives of premises and equipment		3 years
Premises and Equipment | Maximum
Summary Of Significant Accounting Policies [Line Items]
Useful lives of premises and equipment		39 years
Furniture, Fixtures and Equipment | Minimum
Summary Of Significant Accounting Policies [Line Items]
Useful lives of premises and equipment		3 years
Furniture, Fixtures and Equipment | Maximum
Summary Of Significant Accounting Policies [Line Items]
Useful lives of premises and equipment		10 years
Buildings and Building Improvements | Minimum
Summary Of Significant Accounting Policies [Line Items]
Useful lives of premises and equipment		15 years
Buildings and Building Improvements | Maximum
Summary Of Significant Accounting Policies [Line Items]
Useful lives of premises and equipment		39 years
Core Deposit
Summary Of Significant Accounting Policies [Line Items]
Amortization of intangible assets		10 years
Core Deposit | FC Banc Corp
Summary Of Significant Accounting Policies [Line Items]
Amortization of intangible assets		4 years
Core Deposit | Lake National Bank
Summary Of Significant Accounting Policies [Line Items]
Amortization of intangible assets		10 years