XML 65 R50.htm IDEA: XBRL DOCUMENT v3.20.4
Note Receivable - Related Party (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Jun. 25, 2007
Notes Receivable, Related Parties, Noncurrent $ 1,180 $ 1,558   $ 3,000
Debt Instrument, Decrease, Forgiveness 409      
Increase (Decrease) in Notes Receivable, Related Parties $ 31 $ 40 $ 47