Consolidated Statement of Stockholders' Equity - 3 months ended Mar. 31, 2018 - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]	Total
Balance at Dec. 31, 2017	$ 299	$ 97,873	$ 150,236	$ 915	$ 249,323
Balance (in Shares) at Dec. 31, 2017	29,955
Stock-based compensation		1,972			1,972
Stock issued on vesting of RSUs (in Shares)	2
Taxes paid on vesting of RSU		(4)			(4)
Taxes paid on vesting of RSU (in Shares)	(1)
Dividends			(1,236)		(1,236)
Net income			2,132		2,132	[1]
Balance at Mar. 31, 2018	$ 299	$ 99,841	152,047		$ 252,187
Balance (in Shares) at Mar. 31, 2018	29,956
Impact from adoption of ASU 2018-02 and ASU 2016-01 (Note 1)			$ 915	$ (915)

[1] There is no material difference between net income and comprehensive income.