Earnings (Loss) Per Common Share - Additional Information (Details) - USD ($) $ / shares in Units, shares in Thousands	12 Months Ended		27 Months Ended
	Dec. 31, 2015	Dec. 31, 2013	Dec. 31, 2015	Oct. 31, 2013
Computation Of Earnings Per Share Line Items
Repurchase of common stock	$ 1,627,000	$ 526,000
Shares repurchased, average cost per share	$ 13.29
Capital Stock
Computation Of Earnings Per Share Line Items
Shares repurchased	122	50
Common Stock Repurchase Plan
Computation Of Earnings Per Share Line Items
Repurchase of common stock			$ 2,200,000
Shares repurchased, average cost per share			$ 12.48
Common Stock Repurchase Plan | Capital Stock
Computation Of Earnings Per Share Line Items
Shares repurchased			172
Maximum
Computation Of Earnings Per Share Line Items
Outstanding common stock repurchase program authorized amount				$ 10,000,000