Consolidated Statements of Stockholders' Equity (Parenthetical) - $ / shares	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Phantom and restricted stock issuances (in shares)	110,825	136,498	117,895
Stock options exercised (in shares)	27,619	0	4,337
Share repurchase (in shares)	1,752,454
Common Stock, Dividends, Per Share, Cash Paid	$ 0.25	$ 0.24	$ 0.24