EARNINGS PER COMMON SHARE ("EPS") (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Earnings [Abstract]
Net Income	$ 4,144	$ 3,147	$ 8,146	$ 6,272
Basic EPS [Abstract]
Weighted average common shares outstanding, before adjustments (in shares)	6,119,679	5,490,960	6,098,892	5,476,371
Less weighted average unallocated ESOP and nonvested shares (in shares)	(4,967)	0	(4,601)	0
Weighted average common shares outstanding (in shares)	6,114,712	5,490,960	6,094,291	5,476,371
Earnings Per Common Share [Abstract]
Basic (in dollars per share)	$ 0.68	$ 0.57	$ 1.34	$ 1.15
Diluted EPS [Abstract]
Weighted average common shares outstanding for basic earnings per common share (in shares)	6,114,712	5,490,960	6,094,291	5,476,371
Add dilutive effect of assumed exercises of stock options, net of tax benefits (in shares)	100,282	32,149	97,282	34,460
Weighted average common and dilutive potential common shares outstanding (in shares)	6,214,994	5,523,109	6,191,573	5,510,831
Earnings Per Common Share [Abstract]
Diluted (in dollars per share)	$ 0.67	$ 0.57	$ 1.32	$ 1.14
Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Securities excluded from computing diluted EPS (in shares)		139,917	29,199	140,703