Shareholders' Equity (Details) - USD ($) $ / shares in Units, $ in Thousands		1 Months Ended	3 Months Ended	6 Months Ended		12 Months Ended
	Oct. 10, 2016	Nov. 30, 2016	Mar. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Nov. 13, 2016
Class of Stock [Line Items]
Cash dividends declared		$ 0.10				$ 0.20
Dividends		$ 1,000		$ 1,039		$ 1,400
Dividend paid date		Jan. 06, 2017				Dec. 18, 2015
Dividend record date		Dec. 21, 2016				Dec. 04, 2015
Symmetric Capital II LLC [Member]
Class of Stock [Line Items]
Shares issued in private placement	1,290,323
Western State Design [Member]
Class of Stock [Line Items]
Stock Consideration				1,656,486
Western State Design [Member] | Subsequent Event [Member]
Class of Stock [Line Items]
Stock Consideration			388,504