Stockholders' Equity - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Nov. 30, 2015	Dec. 31, 2014
Equity Class Of Treasury Stock [Line Items]
Other Restrictions on Payment of Dividends	Our credit agreement with Bank of America N.A. and other lenders parties permits us to pay dividends up to $1.5 million per fiscal year to its stockholders so long as we have not defaulted and are in continuing operation at the time of such dividend.
Common stock par value	$ 0.666		$ 0.666
Stock repurchase program expiration date	Dec. 31, 2019
Common shares repurchased during period, shares	466,010
Common shares repurchased during period, value	$ 11,009,000
Stock Repurchase Program
Equity Class Of Treasury Stock [Line Items]
Common stock par value		$ 0.666
Stock Repurchase Program | Maximum
Equity Class Of Treasury Stock [Line Items]
Authorized amount of common stock under stock repurchase program		$ 100,000,000