Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Narrative (Details)

v3.6.0.2
Stockholders' Equity - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Sep. 30, 2015
Class of Stock [Line Items]      
Shares of common stock authorized to be repurchased (up to) (in shares) 50,000   170,000
Shares available to purchase (in shares) 50,000    
Corporate, General and Administrative Expense      
Class of Stock [Line Items]      
Stock-based compensation expense $ 440 $ 210