XML 59 R49.htm IDEA: XBRL DOCUMENT v3.19.2
Reserve for Severance Activity in reserve (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Reserve for severance and related payments    
Balance at beginning of period $ 359 $ 483
Charged to earnings 1,512 692
Cash paid (409) (532)
Balance at end of the period $ 1,462 $ 643