CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive (Loss) Income
Balances at Dec. 31, 2009	$ 63,084	$ 20,362	$ 61,190	$ (6,162)	$ (12,306)
Balances (in shares) at Dec. 31, 2009		16,289,970
Increase (Decrease) in Shareholders' Equity
Net loss for the year	(31,720)			(31,720)
Other comprehensive income, net of tax of $84, $4,213 and $5,494 for the years ended 2010, 2011 and 2012, respectively	163				163
Proceeds from issuance of common shares through dividend reinvestment plan	528	179	349
Proceeds from issuance of common shares through dividend reinvestment plan (in shares)		143,050
Balances at Dec. 31, 2010	32,055	20,541	61,539	(37,882)	(12,143)
Balances (in shares) at Dec. 31, 2010		16,433,020
Increase (Decrease) in Shareholders' Equity
Net loss for the year	(335)			(335)
Other comprehensive income, net of tax of $84, $4,213 and $5,494 for the years ended 2010, 2011 and 2012, respectively	8,176				8,176
Proceeds from issuance of common shares through dividend reinvestment plan	29	11	18
Proceeds from issuance of common shares through dividend reinvestment plan (in shares)		9,099
Balances at Dec. 31, 2011	39,925	20,552	61,557	(38,217)	(3,967)
Balances (in shares) at Dec. 31, 2011	16,442,119	16,442,119
Increase (Decrease) in Shareholders' Equity
Net loss for the year	(13,711)			(13,711)
Other comprehensive income, net of tax of $84, $4,213 and $5,494 for the years ended 2010, 2011 and 2012, respectively	10,665				10,665
Stock-based compensation	46	19	27
Stock-based compensation (in shares)		15,050
Balances at Dec. 31, 2012	$ 36,925	$ 20,571	$ 61,584	$ (51,928)	$ 6,698
Balances (in shares) at Dec. 31, 2012	16,457,169	16,457,169