Consolidated Statement of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balance at Dec. 31, 2017	$ 299	$ 97,873	$ 150,236	$ 915	$ 249,323
Balance (in Shares) at Dec. 31, 2017	29,955
Impact from adoption of new accounting standards			915	$ (915)
Stock-based compensation		3,170			3,170
Stock issued on vesting of RSUs	$ 3	(3)
Stock issued on vesting of RSUs (in Shares)	345
Taxes paid on vesting of RSUs		(298)			(298)
Taxes paid on vesting of RSUs (in Shares)	(55)
Dividends			(4,942)		(4,942)
Net income			7,621		7,621
Balance at Dec. 31, 2018	$ 302	100,742	153,830		254,874
Balance (in Shares) at Dec. 31, 2018	30,245
Stock-based compensation		1,833			1,833
Stock issued on vesting of RSUs	$ 2	(2)
Stock issued on vesting of RSUs (in Shares)	297
Taxes paid on vesting of RSUs		(358)			(358)
Taxes paid on vesting of RSUs (in Shares)	(122)
Dividends			(4,965)		(4,965)
Net income			(59,854)		(59,854)
Balance at Dec. 31, 2019	$ 304	$ 102,215	$ 89,011		$ 191,530
Balance (in Shares) at Dec. 31, 2019	30,420