Timberland Bancorp, Inc. and Subsidiary Condensed Consolidated Statements of Shareholders' Equity (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	Total		MRDP Stock		Stock Options	Preferred Stock	Common Stock		Common Stock MRDP Stock		Common Stock Stock Options	Unearned Shares Issued to ESOP	Retained Earnings	Accumulated Other Compre- hensive Loss
Balance at beginning of period - amount at Sep. 30, 2011	$ 86,205					$ 15,989	$ 10,457					$ (1,983)	$ 62,270	$ (528)
Balance at beginning of period - shares at Sep. 30, 2011						16,641	7,045,036
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	4,590												4,590
Preferred stock discount accretion						240							(240)
5% preferred stock dividend	(832)												(832)
Earned ESOP shares	199						(65)					264
Stock option/MRDP compensation expense	92	[1]	77	[1]	15		92	[1]	77	[1]	15
Unrealized holding gain on securities available for sale, net of tax	14													14
Change in OTTI on securities held to maturity, net of tax	5													5
Accretion of OTTI on securities held to maturity, net of tax	46													46
Balance at end of period - amount at Sep. 30, 2012	90,319					16,229	10,484					(1,719)	65,788	(463)
Balance at end of period - shares at Sep. 30, 2012						16,641	7,045,036
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	3,863												3,863
Preferred stock discount accretion	(236)					236							(236)
Redemption of preferred stock - shares						(4,576)
Redemption of preferred stock - amount	(4,321)					(4,576)							255
5% preferred stock dividend	(583)												(583)
Common stock dividends ($0.06 per common share)	(422)												(422)
Earned ESOP shares	196						(2)					198
Stock option/MRDP compensation expense	46	[1]	32	[1]	37		46	[1]	32	[1]	37
Unrealized holding gain on securities available for sale, net of tax	55													55
Change in OTTI on securities held to maturity, net of tax	20													20
Accretion of OTTI on securities held to maturity, net of tax	0
Accretion (Amortization) of Discounts and Premiums, Investments	38													38
Balance at end of period - amount at Jun. 30, 2013	$ 89,234					$ 11,889	$ 10,551					$ (1,521)	$ 68,665	$ (350)
Balance at end of period - shares at Jun. 30, 2013						12,065	7,045,036

[1] 1998 Management Recognition and Development Plan (“MRDP”).