Condensed Consolidated Statement Of Changes In Shareholders' Equity (USD $) In Thousands, except Share data	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Earnings [Member]	Accumulated Other Comprehensive Income [Member]	Total
Balance at Dec. 31, 2011 (As Previously Reported [Member])	$ 194	$ (22,370)	$ 185,734	$ 185,079	$ 2,215	$ 350,852
Balance (Cumulative Effect Of Accounting Change - Deferred Policy Acquisition Costs [Member])				(1,415)		(1,415)
Balance at Dec. 31, 2011	194	(22,370)	185,734	183,664	2,215	349,437
Balance, shares at Dec. 31, 2011 (As Previously Reported [Member])	19,408,512	(1,258,250)
Balance, shares at Dec. 31, 2011	19,408,512	(1,258,250)
Comprehensive income				9,561	(53)	9,508
Restricted common stock issued			52			52
Share-based compensation			56			56
Balance at Mar. 31, 2012	$ 194	$ (22,370)	$ 185,842	$ 193,225	$ 2,162	$ 359,053
Balance, shares at Mar. 31, 2012	19,408,512	(1,258,250)