v3.19.3
Stock repurchases (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Sep. 30, 2019
Jul. 31, 2019
Apr. 01, 2013
Stock repurchases      
Number of shares repurchased under the stock repurchase program 56,000    
Cost of shares repurchased under the stock repurchase program $ 745    
Weighted average price of shares repurchased (in USD per share) $ 13.24    
Remaining amount authorized for the share repurchase program $ 19,255    
Maximum      
Stock repurchases      
Amount of common stock approved by the entity for a stock repurchase program   $ 20,000 $ 10,000