Goodwill and Intangible Assets - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2016	Dec. 31, 2013
Goodwill [Line Items]
Net carrying value	$ 567
Core Deposit | FC Banc Corp
Goodwill [Line Items]
Intangible asset					$ 4,834
Amortization expense	94	$ 316	$ 489
Net carrying value	0	94
Core Deposit | Lake National Bank of Mentor, Ohio
Goodwill [Line Items]
Intangible asset				$ 1,583
Amortization expense	66	251	$ 409
Net carrying value	0	$ 66
Core Deposit | Bank of Akron
Goodwill [Line Items]
Intangible asset	613
Amortization expense	46
Net carrying value	$ 567