The cash outflow associated with the 5% discount on the shares issued during the period from a dividend reinvestment plan (DRIP). A dividend reinvestment plan allows the shareholders to reinvest dividends paid to them by the entity on new issues of stock by the entity.

No definition available.

CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Stock [Member]	Additional Paid-in-Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss), net [Member]	Treasury Stock [Member]	Unearned ESOP Shares [Member]
Beginning balance at Dec. 31, 2011	$ 758,543us-gaap_StockholdersEquity	$ 105,563	$ 365,868	$ 294,056	$ 2,001	$ (7,345)	$ (1,600)
Beginning balance, Shares Outstanding at Dec. 31, 2011		104,916,994
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	41,954us-gaap_NetIncomeLoss			41,954
Total other comprehensive (loss) Income	(742)				(742)
Cash dividends declared	(18,759)us-gaap_DividendsCommonStockCash			(18,759)
Net decrease in unearned ESOP shares	1,600						1,600
ESOP market value adjustment	(474)		(474)
Discount on dividend reinvestment plan purchases	(92)		(92)
Tax benefit of stock options exercised	1		1
Treasury stock acquired	(37,464)					(37,464)
Treasury stock acquired, Shares Outstanding		(5,662,700)
Treasury stock reissued	1,028		0	(379)		1,407
Treasury stock reissued, Shares Outstanding		155,200
Restricted stock	412	0	51	(1,264)		1,625
Restricted stock, Shares Outstanding		220,000
Ending balance at Dec. 31, 2012	746,007us-gaap_StockholdersEquity	105,563	365,354	315,608	1,259	(41,777)	0
Ending balance, Shares Outstanding at Dec. 31, 2012		99,629,494
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	41,482us-gaap_NetIncomeLoss			41,482
Total other comprehensive (loss) Income	(21,847)				(21,847)
Cash dividends declared	(22,344)us-gaap_DividendsCommonStockCash			(22,344)
Discount on dividend reinvestment plan purchases	(112)		(112)
Treasury stock acquired	(32,217)					(32,217)
Treasury stock acquired, Shares Outstanding		(4,462,638)
Treasury stock reissued	176		0	0		176
Treasury stock reissued, Shares Outstanding		25,359
Restricted stock	552	0	91	2		459
Restricted stock, Shares Outstanding		53,000
Ending balance at Dec. 31, 2013	711,697us-gaap_StockholdersEquity	105,563	365,333	334,748	(20,588)	(73,359)
Ending balance, Shares Outstanding at Dec. 31, 2013	95,245,215us-gaap_CommonStockSharesOutstanding	95,245,215
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	44,453us-gaap_NetIncomeLoss			44,453
Total other comprehensive (loss) Income	16,089				16,089
Cash dividends declared	(26,174)us-gaap_DividendsCommonStockCash			(26,174)
Discount on dividend reinvestment plan purchases	(65)		(65)
Treasury stock acquired	(30,956)					(30,956)
Treasury stock acquired, Shares Outstanding		(3,636,634)
Treasury stock reissued	192		35	0		157
Treasury stock reissued, Shares Outstanding		21,960
Restricted stock	909	0	312	0		597
Restricted stock, Shares Outstanding		92,487
Ending balance at Dec. 31, 2014	$ 716,145us-gaap_StockholdersEquity	$ 105,563	$ 365,615	$ 353,027	$ (4,499)	$ (103,561)
Ending balance, Shares Outstanding at Dec. 31, 2014	91,723,028us-gaap_CommonStockSharesOutstanding	91,723,028