Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Schedule of Partial Self Insurance Reserve (Detail)

v3.19.1
Summary of Significant Accounting Policies - Schedule of Partial Self Insurance Reserve (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Self Insurance [Abstract]    
Balance, beginning of period $ 747 $ 783
Self-funded costs 9,336 9,735
Claims paid (9,255) (9,771)
Ending period balance $ 828 $ 747