Consolidated Statements of Cash Flows (Parenthetical) - shares |
9 Months Ended | |
---|---|---|
Sep. 30, 2015 |
Sep. 30, 2014 |
|
Statement of Cash Flows [Abstract] | ||
Number of common stock issued for retirement plan obligations | 0 | 103,598 |
Number of restricted common stock issued for annual equity award | 550,650 | 402,074 |