XML 67 R41.htm IDEA: XBRL DOCUMENT v3.19.2
Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jan. 01, 2019
Jun. 30, 2019
Mar. 31, 2019
Jun. 30, 2019
Summary Of Significant Accounting Policy [Line Items]        
Life insurance proceeds received       $ 1,000
Operating lease, right-of-use asset $ 10,322 $ 8,838   8,838
Operating lease, right-of-use liability 10,322 8,863   8,863
ASU 2018-02 [Member]        
Summary Of Significant Accounting Policy [Line Items]        
Reclassification of tax effects related to adoption ASU $ 400      
Errors in Operating Activity [Member]        
Summary Of Significant Accounting Policy [Line Items]        
Amount of revision     $ 1,000  
Out-of-Period Adjustment [Member]        
Summary Of Significant Accounting Policy [Line Items]        
Increase (decrease) in cost of goods sold   800   (200)
Increase (decrease) in excess and obsolete inventory reserve   $ 800   $ (200)