Tax benefit associated with an equity-based deferred compensation plan. The tax benefit results from the deduction by the entity on its tax return for an award of stock that exceeds the cumulative compensation cost for common stock or preferred stock recognized for financial reporting. Includes any resulting tax benefit that exceeds the previously recognized deferred tax asset (excess tax benefits).

No definition available.

Consolidated Statements of Changes in Stockholders' Equity - USD ($)	Total	Cumulative Effect, Period of Adoption, Adjustment	Cumulative Effect, Period of Adoption, Adjusted Balance	LINCO Bancshares, Inc.	BBM & Associates, Inc.	Delta Bancshares Company	Common Stock	Common Stock Cumulative Effect, Period of Adoption, Adjusted Balance	Common Stock LINCO Bancshares, Inc.	Common Stock BBM & Associates, Inc.	Additional Paid-in Capital	Additional Paid-in Capital Cumulative Effect, Period of Adoption, Adjusted Balance	Additional Paid-in Capital LINCO Bancshares, Inc.	Additional Paid-in Capital BBM & Associates, Inc.	Additional Paid-in Capital Delta Bancshares Company	Retained Earnings	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment	Retained Earnings Cumulative Effect, Period of Adoption, Adjusted Balance	Deferred Compensation	Deferred Compensation Cumulative Effect, Period of Adoption, Adjusted Balance	Accumulated Other Comprehensive Income (Loss)	Accumulated Other Comprehensive Income (Loss) Cumulative Effect, Period of Adoption, Adjusted Balance	Treasury Stock	Treasury Stock Cumulative Effect, Period of Adoption, Adjusted Balance
Beginning Balance at Dec. 31, 2018	$ 475,864,000						$ 70,876,000				$ 293,937,000					$ 131,392,000			$ 2,761,000		$ (6,473,000)		$ (16,629,000)
Net income	47,943,000															47,943,000
Other comprehensive income (loss), net of tax	14,833,000																				14,833,000
Dividends on common stock	(12,668,000)															(12,668,000)
Issuance of common shares pursuant to the dividend reinvestment plan	805,000						92,000				713,000
Issuance of common shares pursuant to the deferred compensation plan	373,000						44,000				329,000
Issuance of restricted shares pursuant to the 2017 Stock Incentive Plan	864,000						104,000				760,000
Issuance of common shares pursuant to the employee stock purchase plan	282,000						36,000				246,000
Purchase of treasury shares	(1,293,000)																						(1,293,000)
Deferred compensation																			333,000				(333,000)
Tax benefit related to deferred compensation distributions	56,000										56,000
Grant of restricted stock units pursuant to the 2017 stock incentive plan	515,000										515,000
Vested restricted shares/units compensation expense	(965,000)										(631,000)								(334,000)
Ending Balance at Dec. 31, 2019	526,609,000		$ 525,892,000				71,152,000	$ 71,152,000			295,925,000	$ 295,925,000				166,667,000		$ 165,950,000	2,760,000	$ 2,760,000	8,360,000	$ 8,360,000	(18,255,000)	$ (18,255,000)
Ending Balance (ASU 2016-13) at Dec. 31, 2019		$ (717,000)															$ (717,000)
Net income	45,270,000															45,270,000
Other comprehensive income (loss), net of tax	8,735,000																				8,735,000
Dividends on common stock	(13,494,000)															(13,494,000)
Issuance of common shares pursuant to the dividend reinvestment plan	680,000						102,000				578,000
Issuance of common shares pursuant to the deferred compensation plan	365,000						52,000				313,000
Issuance of restricted shares pursuant to the 2017 Stock Incentive Plan	857,000						99,000				758,000
Issuance of common shares pursuant to the employee stock purchase plan	245,000						44,000				201,000
Purchase of treasury shares	(213,000)																						(213,000)
Deferred compensation																			360,000				(360,000)
Tax benefit related to deferred compensation distributions	22,000										22,000
Grant of restricted stock units pursuant to the 2017 stock incentive plan	584,000										584,000
Release of restricted stock units pursuant to the 2017 stock incentive plan	(516,000)										(516,000)
Vested restricted shares/units compensation expense	(199,000)										(59,000)								(140,000)
Ending Balance at Dec. 31, 2020	568,228,000						71,449,000				297,806,000					197,726,000			2,980,000		17,095,000		(18,828,000)
Net income	51,490,000															51,490,000
Other comprehensive income (loss), net of tax	(17,926,000)																				(17,926,000)
Dividends on common stock	(15,054,000)															(15,054,000)
Issuance of common shares pursuant to the dividend reinvestment plan	333,000						32,000				301,000
Issuance of common shares pursuant to the deferred compensation plan	351,000						38,000				313,000
Issuance of restricted shares pursuant to the 2017 Stock Incentive Plan	928,000						111,000				817,000
Issuance of 2,375 common shares pursuant to the 2017 stock incentive plan	85,000						10,000				75,000
Issuance of shares pursuant to the acquisition				$ 44,191,000	$ 1,109,000				$ 5,049,000	$ 100,000			$ 39,142,000	$ 1,009,000
Issuance costs pursuant to acquisition of Delta Bancshares Company						$ (206,000)									$ (206,000)
Issuance of common shares pursuant to the employee stock purchase plan	391,000						46,000				345,000
Purchase of treasury shares	(326,000)																						(326,000)
Deferred compensation																			54,000				(54,000)
Grant of restricted stock units pursuant to the 2017 stock incentive plan	1,216,000										1,216,000
Release of restricted stock units pursuant to the 2017 stock incentive plan	(584,000)										(584,000)
Vested restricted shares/units compensation expense	(332,000)										185,000								(517,000)
Ending Balance at Dec. 31, 2021	$ 633,894,000						$ 76,835,000				$ 340,419,000					$ 234,162,000			$ 2,517,000		$ (831,000)		$ (19,208,000)