Consolidated Statements of Stockholders' Equity (unaudited) - USD ($) $ in Thousands	Common Stock	Surplus	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Loss	Total
Balance at Dec. 31, 2016	$ 191	$ 329,427	$ 91,594	$ (161)	$ (13,064)	$ 407,987
Increase (Decrease) in Stockholders' Equity
Net income			27,455			27,455
Shares issued under the dividend reinvestment plan		721				721
Shares issued for trust preferred securities conversions (529,292 shares)	5	14,944				14,949
Stock awards granted and distributed	1	(417)		416
Stock awards forfeited		131		(131)
Repurchase of surrendered stock from vesting of restricted stock awards				(330)		(330)
Share based compensation expense		1,972				1,972
Cash dividend declared, $0.69 per share			(13,670)			(13,670)
Other comprehensive income (loss), net of deferred income taxes					2,855	2,855
Balance at Sep. 30, 2017	197	346,778	105,379	(206)	(10,209)	441,939
Balance at Dec. 31, 2017	197	347,691	96,547	(296)	(14,939)	429,200
Increase (Decrease) in Stockholders' Equity
Net income			25,363			25,363
Shares issued under the dividend reinvestment plan		705				705
Stock awards granted and distributed	1	(529)		528
Stock awards forfeited		183		(183)
Repurchase of surrendered stock from vesting of restricted stock awards				(569)		(569)
Share based compensation expense		2,689				2,689
Cash dividend declared, $0.69 per share			(13,749)			(13,749)
Other comprehensive income (loss), net of deferred income taxes					(3,654)	(3,654)
Balance at Sep. 30, 2018	$ 198	$ 350,739	$ 108,161	$ (520)	$ (18,593)	$ 439,985

Represents the value of common shares issued for trust preferred securities which were converted.

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Amount of increase to additional paid-in capital (APIC) from recognition of equity-based compensation.

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Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Value, before forfeitures, of stock or other type of equity granted of any equity-based compensation plan other than an employee stock ownership plan (ESOP).

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Value of stock issued during the period from a dividend reinvestment plan (DRIP). A dividend reinvestment plan allows the holder of the stock to reinvest dividends paid to them by the entity on new issues of stock by the entity.

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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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