UNAUDITED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (USD $) In Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss, net of tax [Member]	ESOP [Member]	Unearned Restricted Stock Award Common Stock [Member]	Common Stock Held by BMP [Member]	Treasury Stock [Member]
Balance at Dec. 31, 2013		$ 528	$ 252,253	$ 402,986	$ (4,759)	$ (2,776)	$ (3,193)	$ (9,013)	$ (200,520)
Stock options exercised		0	139
Tax benefit of stock plans			(14)
BMP award distribution								1
Amortization of excess fair value over cost - ESOP stock and stock options expense			305
Release from treasury stock for equity awards, net of return of shares to treasury for forfeited shares			(3)				18		(15)
Net income	10,034			10,034
Cash dividends declared and paid				(5,011)
Reduction in non credit component of OTTI charge, net of taxes	4
Other comprehensive income recognized during the period, net of tax	(122)				122
Amortization of earned portion of ESOP stock						58
Amortization of earned portion of restricted stock awards							495
Treasury shares repurchased (20,000 shares during the three months ended March 31, 2015)	0
Balance at Mar. 31, 2014	441,635	528	252,680	408,009	(4,637)	(2,718)	(2,680)	(9,012)	(200,535)
Balance at Dec. 31, 2014	459,725	529	254,358	427,126	(8,547)	(2,545)	(3,066)	(9,164)	(198,966)
Stock options exercised		0	149
Tax benefit of stock plans			(27)
BMP award distribution								0
Amortization of excess fair value over cost - ESOP stock and stock options expense			270
Release from treasury stock for equity awards, net of return of shares to treasury for forfeited shares			0				0		0
Net income	11,778			11,778
Cash dividends declared and paid				(5,041)
Reduction in non credit component of OTTI charge, net of taxes	4
Other comprehensive income recognized during the period, net of tax	1,050				(1,050)
Amortization of earned portion of ESOP stock						58
Amortization of earned portion of restricted stock awards							494
Treasury shares repurchased (20,000 shares during the three months ended March 31, 2015)	(300)								(300)
Balance at Mar. 31, 2015	$ 466,056	$ 529	$ 254,750	$ 433,863	$ (9,597)	$ (2,487)	$ (2,572)	$ (9,164)	$ (199,266)