Consolidated Statements of Stockholders' Equity (USD $) In Thousands		Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Unallocated ESOP Shares	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock
Stockholders' Equity, Beginning Balance at Dec. 31, 2011		$ 166,385	$ 16,094	$ 207,600	$ 23,947	$ (2,500)	$ (6,695)	$ (72,061)
Net Income		5,288	0	0	5,288	0	0	0
Other Comprehensive (Loss) Income		(177)	0	0	0	0	(177)	0
Cash Dividends Paid	[1]	(2,944)	0	0	(2,944)	0	0	0
Stock Options Exercised		1,149	0	627	0	0	0	522
Shares Issued Under the Directors' Stock Plan		0
Shares Issued Under the Employee Stock Purchase Plan		107	0	62	0	0	0	45
Shares Issued for Dividend Reinvestment Plans		464	0	275	0	0	0	189
Stock-Based Compensation Expense		99	0	99	0	0	0	0
Tax Benefit for Disposition of Stock Options		53	0	53	0	0	0	0
Purchases of Treasury Stock		(2,237)	0	0	0	0	0	(2,237)
Acquisition of Subsidiaries		91	0	54	0	0	0	37
Allocation of ESOP Stock		188	0	38	0	150	0	0
Stockholders' Equity, Ending Balance at Mar. 31, 2012		168,466	16,094	208,808	26,291	(2,350)	(6,872)	(73,505)
Stockholders' Equity, Beginning Balance at Dec. 31, 2012		175,825	16,416	218,650	26,251	(2,150)	(8,462)	(74,880)
Net Income		5,181	0	0	5,181	0	0	0
Other Comprehensive (Loss) Income		138	0	0	0	0	138	0
Cash Dividends Paid	[1]	(3,009)	0	0	(3,009)	0	0	0
Stock Options Exercised		490	0	259	0	0	0	231
Shares Issued Under the Directors' Stock Plan		10	0	6	0	0	0	4
Shares Issued Under the Employee Stock Purchase Plan		110	0	64	0	0	0	46
Shares Issued for Dividend Reinvestment Plans		0
Stock-Based Compensation Expense		97	0	97	0	0	0	0
Tax Benefit for Disposition of Stock Options		8	0	8	0	0	0	0
Purchases of Treasury Stock		(1,328)	0	0	0	0	0	(1,328)
Acquisition of Subsidiaries		91	0	54	0	0	0	37
Allocation of ESOP Stock		190	0	40	0	150	0	0
Stockholders' Equity, Ending Balance at Mar. 31, 2013		$ 177,803	$ 16,416	$ 219,178	$ 28,423	$ (2,000)	$ (8,324)	$ (75,890)

[1] Cash dividends paid per share have been adjusted for the September 2012 2% stock dividend.