Condensed Financial Information (Parent Company Only) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011	Mar. 31, 2011
ASSETS
Cash and due from banks	$ 7,303	$ 14,215
Total assets	402,117	410,097
LIABILITIES AND STOCKHOLDERS' EQUITY
Accrued expenses and other liabilities	5,173	3,751
Stockholders' Equity
Retained earnings	17,567	16,635
Shares acquired by ESOP	(572)	(655)
Treasury stock, at cost	(14,923)	(14,530)
Accumulated other comprehensive income	1,340	1,881
Total stockholders' equity	39,785	39,715	38,279
Total liabilities and stockholders' equity	402,117	410,097
Parent Company
ASSETS
Cash and due from banks	1,113	150
Notes receivable from the bank	688	770
Investment in the Bank	37,987	38,974
Prepaid expenses and other assets	219	17
Total assets	40,007	39,911
LIABILITIES AND STOCKHOLDERS' EQUITY
Accrued expenses and other liabilities	222	196
Stockholders' Equity
Common stock and additional paid-in capital	36,373	36,384
Retained earnings	17,567	16,635
Shares acquired by ESOP	(572)	(655)
Treasury stock, at cost	(14,923)	(14,530)
Accumulated other comprehensive income	1,340	1,881
Total stockholders' equity	39,785	39,715
Total liabilities and stockholders' equity	$ 40,007	$ 39,911