Consolidated Statements of Stockholders' Equity Parentheticals - $ / shares	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Shares of common stock issued	63,434	72,811
Stock Repurchased During Period, Shares	0	0
Stock Issued During Period, Shares, Share-based Compensation, Gross	0	0
Stock Issued During Period, Shares, Share-based Compensation, Forfeited	(110,846)	(15,596)
Shares of stock withheld for employee taxes	(40,825)	0
Common Stock, Dividends, Per Share, Cash Paid	$ 0.12	$ 0.11