Consolidated Condensed Statements of Financial Condition (Parenthetical) - USD ($) $ in Thousands		Jun. 30, 2015	Dec. 31, 2014
Held-to-maturity, fair value (in dollars)	[1]	$ 261	$ 308
Loans receivable, allowance (in dollars)		$ 25,384	$ 24,766
Common stock, par value (in dollars per share)		$ 0.01	$ 0.01
Common stock, shares authorized		25,000,000	25,000,000
Common stock, shares issued		12,722,469	12,735,313
Common stock, shares outstanding		9,275,183	9,234,534
Accumulated other comprehensive income, tax effect (in dollars)		$ 1,397	$ 2,214
Treasury stock, shares		3,447,286	3,500,779
Preferred Stock [Member]
Preferred stock, par value (in dollars per share)		$ 0.01	$ 0.01
Preferred stock, shares authorized		4,963,000	4,963,000
Preferred stock, shares issued		0	0
Cumulative Preferred Stock [Member]
Preferred stock, par value (in dollars per share)		$ 0.01	$ 0.01
Preferred stock, shares authorized		37,000	37,000
Preferred stock, shares issued		0	0

[1] FHLMC, FNMA, and GNMA certificates are residential mortgage-backed securities.