Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands	Total	Impact of CECL Adoption	Preferred Stock	Additional Paid-In Capital	Retained Earnings	Retained Earnings Impact of CECL Adoption	Treasury Stock	Accumulated Other Comprehensive Income (Loss)	Restricted Stock	Restricted Stock Treasury Stock	Performance Based Restricted Stock Awards	Performance Based Restricted Stock Awards Treasury Stock
Beginning balance at Dec. 31, 2017	$ 243,910		$ 0	$ 97,042	$ 148,298		$ (1,087)	$ (343)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	33,719				33,719
Other comprehensive income (loss)	(3,653)							(3,653)
Forfeiture of restricted stock award grants	0			11			(11)
Restricted stock award grants	0			(996)			996
Stock-based compensation expense	1,545			1,545
Purchase of treasury stock	(2,284)						(2,284)		$ (170)	$ (170)
Common cash dividends declared	(10,237)				(10,237)
Ending balance at Dec. 31, 2018	262,830		0	97,602	171,780		(2,556)	(3,996)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	40,081				40,081
Other comprehensive income (loss)	10,935							10,935
Forfeiture of restricted stock award grants	0			71			(71)
Restricted stock award grants	0			(1,086)			1,086
Performance based restricted stock award grants	0			(21)			21
Stock-based compensation expense	1,346			1,346
Issuance of common stock, net of issuance costs	1,423			1,423
Purchase of treasury stock	(994)						(994)		(289)	(289)	$ (8)	$ (8)
Common cash dividends declared	(10,358)				(10,358)
Ending balance at Dec. 31, 2019	304,966	$ (3,391)	0	99,335	201,503	$ (3,391)	(2,811)	6,939
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	32,743				32,743
Other comprehensive income (loss)	8,135							8,135
Restricted stock award grants	0			(934)			934
Performance based restricted stock award grants	0			(217)			217
Stock-based compensation expense	1,410			1,410
Issuance of common stock, net of issuance costs	3,257			3,257
Purchase of treasury stock	(981)						(981)		$ (213)	$ (213)	$ (113)	$ (113)
Issuance of preferred equity, net of issuance costs	57,785		57,785
Acquisition of Bank of Akron	24,667			24,667
Preferred cash dividend declared	(1,147)				(1,147)
Common cash dividends declared	(10,981)				(10,981)
Ending balance at Dec. 31, 2020	$ 416,137		$ 57,785	$ 127,518	$ 218,727		$ (2,967)	$ 15,074