CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY - USD ($) $ in Thousands	Total	Impact of adoption of new accounting standard, net of taxes	[1]	Common Stock	Retained Earnings	Retained Earnings Impact of adoption of new accounting standard, net of taxes	[1]	Accumulated Other Comprehensive (Loss) Income	Treasury Stock
Balance at beginning of period at Dec. 31, 2019	$ 594,393	$ (3,709)		$ 420,876	$ 187,149	$ (3,709)		$ (1,425)	$ (12,207)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	34,767				34,767
Other comprehensive income (loss), net of tax	2,761							2,761
Cash dividends declared	(27,516)				(27,516)
Reissuance of treasury stock for common share awards	0			(2,729)					2,729
Reissuance of treasury stock for deferred compensation plan for Boards of Directors	59								59
Repurchase of treasury stock in connection with employee incentive plan and under compensation plan for Boards of Directors	(1,128)								(1,128)
Common shares repurchased under share repurchase program	(29,281)								(29,281)
Common shares issued under dividend reinvestment plan	799			799
Common shares issued under compensation plan for Boards of Directors	377			17					360
Common shares issued under performance unit awards, net of tax	179			41					138
Stock-based compensation	3,556			3,556
Common shares issued under employee stock purchase plan	416			(24)					440
Balance at end of period at Dec. 31, 2020	575,673			422,536	190,691			1,336	(38,890)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	47,555				47,555
Other comprehensive income (loss), net of tax	(12,955)							(12,955)
Cash dividends declared	(31,170)				(31,170)
Reissuance of treasury stock for common share awards	0			(2,740)					2,740
Reissuance of treasury stock for deferred compensation plan for Boards of Directors	74								74
Repurchase of treasury stock in connection with employee incentive plan and under compensation plan for Boards of Directors	(1,306)								(1,306)
Common shares issued under dividend reinvestment plan	910			910
Common shares issued under compensation plan for Boards of Directors	374			98					276
Stock-based compensation	3,436			3,436
Common shares issued under employee stock purchase plan	535			143					392
Issuance of common shares related to the Premier Merger	261,899			261,899
Balance at end of period at Dec. 31, 2021	845,025			686,282	207,076			(11,619)	(36,714)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	101,292				101,292
Other comprehensive income (loss), net of tax	(115,517)							(115,517)
Cash dividends declared	(42,432)				(42,432)
Reissuance of treasury stock for common share awards	0			(4,989)					4,989
Reissuance of treasury stock for deferred compensation plan for Boards of Directors	78								78
Repurchase of treasury stock in connection with employee incentive plan and under compensation plan for Boards of Directors	(1,745)								(1,745)
Common shares repurchased under share repurchase program	(7,407)								(7,407)
Common shares issued under dividend reinvestment plan	1,272			1,272
Common shares issued under compensation plan for Boards of Directors	506			83					423
Stock-based compensation	3,707			3,707
Common shares issued under employee stock purchase plan	549			95					454
Balance at end of period at Dec. 31, 2022	$ 785,328			$ 686,450	$ 265,936			$ (127,136)	$ (39,922)

[1] On January 1, 2020, Peoples adopted ASU 2016-13, which resulted in a reduction to retained earnings of $3.7 million, net of statutory federal corporate income tax.