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 Comprehensive Loss
Balance at beginning of period - amount at Sep. 30, 2010	$ 85,408					$ 15,764	$ 10,377					$ (2,247)	$ 62,238	$ (724)
Balance at beginning of period - shares at Sep. 30, 2010						16,641	7,045,036
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	1,089												1,089
Preferred stock accretion	(225)					225							(225)
5% preferred stock dividends	(832)												(832)
Earned ESOP shares, net of tax	203						(61)					264
Stock option/MRDP compensation expense			134	[1]	7				134	[1]	7
Unrealized holding gain on securities available for sale, net of tax	14													14
Change in OTTI on securities held to maturity, net of tax	139													139
Accretion of OTTI on securities held to maturity, net of tax	43													43
Balance at end of period - amount at Sep. 30, 2011	86,205					15,989	10,457					(1,983)	62,270	(528)
Balance at end 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 accretion	(240)					240							(240)
5% preferred stock dividends	(832)												(832)
Earned ESOP shares, net of tax	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	4,757												4,757
Preferred stock accretion	(283)					283							(283)
Redemption of preferred stock - shares						(4,576)
Redemption of preferred stock - amount	(4,321)					(4,576)							255
5% preferred stock dividends	(885)												(885)
Common stock dividends ($0.09 per common share)	(634)												(634)
Earned ESOP shares, net of tax	271						6					265
Stock option/MRDP compensation expense	0	[1]	31	[1]	49		0	[1]	31	[1]	49
Unrealized holding gain on securities available for sale, net of tax	23													23
Change in OTTI on securities held to maturity, net of tax	21													21
Accretion of OTTI on securities held to maturity, net of tax	57													57
Balance at end of period - amount at Sep. 30, 2013	$ 89,688					$ 11,936	$ 10,570					$ (1,454)	$ 68,998	$ (362)
Balance at end of period - shares at Sep. 30, 2013						12,065	7,045,036

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