Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands	Total	Adjustment	[1]	Adjusted Balance	Common Stock	Common Stock Adjusted Balance	Additional Paid-in Capital	Additional Paid-in Capital Adjusted Balance	Retained Earnings	Retained Earnings Adjustment	[1]	Retained Earnings Adjusted Balance	Accumulated Other Comprehensive Income (Loss)	Accumulated Other Comprehensive Income (Loss) Adjusted Balance
Beginning balance (in shares) at Dec. 31, 2019					26,671,368	26,671,368
Beginning balance at Dec. 31, 2019	$ 573,820	$ (6,717)		$ 567,103	$ 26,671	$ 26,671	$ 278,954	$ 278,954	$ 253,090	$ (6,717)		$ 246,373	$ 15,105	$ 15,105
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	62,210								62,210
Other Comprehensive Income (Loss)	20,270												20,270
Cash Dividends	(20,136)								(20,136)
Issuance of Common Stock for:
Restricted Share Grants (in shares)					52,701
Restricted Share Grants	1,051				$ 53		998
Stock Repurchase (in shares)					(221,912)
Stock Repurchase	(5,789)				$ (222)		(5,567)
Ending balance (in shares) at Dec. 31, 2020					26,502,157
Ending balance at Dec. 31, 2020	624,709				$ 26,502		274,385		288,447				35,375
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	84,137								84,137
Other Comprehensive Income (Loss)	(19,891)												(19,891)
Cash Dividends	(22,220)								(22,220)
Issuance of Common Stock for:
Restricted Share Grants (in shares)					51,351
Restricted Share Grants	$ 1,724				$ 52		1,672
Ending balance (in shares) at Dec. 31, 2021	26,553,508				26,553,508
Ending balance at Dec. 31, 2021	$ 668,459				$ 26,554		276,057		350,364				15,484
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	81,825								81,825
Other Comprehensive Income (Loss)	(278,922)												(278,922)
Cash Dividends	(27,022)								(27,022)
Issuance of Common Stock for:
Acquisition of Citizens Union Bancorp (in shares)					2,870,975
Acquisition of Citizens Union Bancorp	111,723				$ 2,871		108,852
Restricted Share Grants (in shares)					68,710
Restricted Share Grants	$ 2,330				$ 68		2,262
Ending balance (in shares) at Dec. 31, 2022	29,493,193				29,493,193
Ending balance at Dec. 31, 2022	$ 558,393				$ 29,493		$ 387,171		$ 405,167				$ (263,438)

[1] The Company adopted Accounting Standards Update (ASU) 2016-13, Financial Instruments - Credit Losses (Topic 326) Measurement of Credit Losses on Financial Instruments on January 1, 2020 using the modified retrospective approach. As a result, the Company recorded a net reduction of retained earnings upon adoption.