Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2012

Stockholders' Equity Attributable to Parent [Abstract]

Schedule of Preferred, Common and Treasury Stock

The following table details the progression in shares of Peoples’ preferred, common and treasury stock during the years ended December 31:

	Preferred Stock		Common Stock	Treasury Stock
Shares at December 31, 2009	39,000		11,031,892	657,255
Changes related to stock-based compensation awards:
Release of restricted common shares			7,202
Exercise of common stock options				(31,008	)
Changes related to deferred compensation plan:
Purchase of treasury stock				11,855
Reissuance of treasury stock				(25,407	)
Common shares issued under dividend reinvestment plan			30,928
Shares at December 31, 2010	39,000		11,070,022	612,695
Changes related to stock-based compensation awards:
Release of restricted common shares			21,510	5,443
Changes related to deferred compensation plan:
Purchase of treasury stock				8,623
Reissuance of treasury stock				(9,209	)
Repurchase of preferred shares	(39,000	)
Common shares issued under dividend reinvestment plan			24,770
Common shares issued under Board of Directors' compensation plan			5,945	(2,429	)
Shares at December 31, 2011	—		11,122,247	615,123
Changes related to stock-based compensation awards:
Release of restricted common shares			14,552	4,270
Changes related to deferred compensation plan:
Purchase of treasury stock				3,918
Reissuance of treasury stock				(8,897	)
Common shares issued under dividend reinvestment plan			18,849
Common shares issued under Board of Directors' compensation plan			—	(6,726	)
Shares at December 31, 2012	—		11,155,648	607,688

Schedule of Accumulated Other Comprehensive (Loss) Income

The following details the change in the components of Peoples’ accumulated other comprehensive income (loss) for the years ended December 31:

(Dollars in thousands)	Unrealized Gain (Loss) on Securities			Unrecognized Net Pension and Postretirement Costs			Accumulated Other Comprehensive Income (Loss)
Balance, December 31, 2009	$	13,068		$	(3,581	)	$	9,487
Current period change, net of tax	(15,106		)	1,166			(13,940		)
Balance, December 31, 2010	$	(2,038	)	$	(2,415	)	$	(4,453	)
Current period change, net of tax	9,477			(3,612		)	5,865
Balance, December 31, 2011	$	7,439		$	(6,027	)	$	1,412
Current period change, net of tax	(547		)	(211		)	(758		)
Balance, December 31, 2012	$	6,892		$	(6,238	)	$	654