Investments (Tables)

6 Months Ended

Mar. 31, 2015

Investments, Debt and Equity Securities [Abstract]

Amortized Cost, Unrealized Holding Gains (Losses) and Fair Value of Available-for-Sale Securities

The amortized cost, unrealized holding gains and losses, and fair value of available-for-sale securities as of March 31, 2015 and September 30, 2014 were as follows:

	March 31, 2015
(Dollars in thousands)	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
U.S. government and government agency obligations	$	9,482	$	38	$	(1	)	$	9,519
Mortgage-backed securities		5,148		72		(78	)		5,142
Municipal bonds		784		3		(2	)		785
Asset-backed securities		1,946		3		(3	)		1,946
Corporate bonds		1,711		16		—			1,727
Total	$	19,071	$	132	$	(84	)	$	19,119

	September 30, 2014
(Dollars in thousands)	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
U.S. government and government agency obligations	$	7,397	$	12	$	(15	)	$	7,394
Mortgage-backed securities		5,576		43		(74	)		5,545
Municipal bonds		1,173		5		(3	)		1,175
Asset-backed securities		2,370		3		(4	)		2,369
Corporate bonds		1,829		6		(5	)		1,830
Equity securities		2		1,548		—			1,550
Total	$	18,347	$	1,617	$	(101	)	$	19,863

Amortized Cost and Fair Value of Investments by Contractual Maturity

The amortized cost and fair value of available-for-sale debt securities, by contractual maturity, at March 31, 2015 were as follows:

(Dollars in thousands)	Amortized Cost		Fair Value
Debt securities due within:
One year	$	3,213	$	3,221
One to five years		10,305		10,354
Five years or more		5,553		5,544
Total	$	19,071	$	19,119

Sales of Available-for-Sale Debt Securities

The following table summarizes sales of available-for-sale debt securities:

	Three Months Ended March 31,					Six Months Ended March 31,
(Dollars in thousands)	2015			2014		2015			2014
Proceeds from sales	$	1,678		$	89,647	$	2,651		$	92,514
Gross realized gains	$	—		$	125	$	—		$	126
Gross realized losses	$	(1	)	$	—	$	(8	)	$	(1	)