CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDER'S EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balance at Dec. 31, 2013	$ 21,345	$ 247,053	$ 149,617	$ (549)	$ 396,121
Common Stock, Shares, Outstanding, Beginning Balance at Dec. 31, 2013					21,344,741
Increase (Decrease) in Stockholders' Equity
Net income			10,963		10,963
Foreign currency translation adjustment arising during period				(29)	(29)
Cash dividend declared			(122,448)		(122,448)
Share-based compensation		983			983
Balance at Jun. 30, 2014	$ 21,345	$ 248,036	$ 38,132	$ (578)	$ 285,590
Common Stock, Shares, Outstanding, Ending Balance at Jun. 30, 2014					21,344,741