Accounts Receivable, Net - Reconciliation of Beginning and Ending Amount of Allowance for Doubtful Accounts (Detail) - USD ($)
$ in Thousands |
12 Months Ended |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
| Allowance For Doubtful Accounts Receivable [Line Items] |
|
|
|
| Balance at Beginning of Period |
$ 6,343
|
$ 5,122
|
$ 5,403
|
| Charged to Expense |
1,589
|
2,350
|
887
|
| Charged (to) from Another Account |
0
|
0
|
0
|
| Deductions |
2,392
|
1,129
|
1,168
|
| Balance at End of Period |
5,540
|
6,343
|
5,122
|
| Allowance for Doubtful Accounts [Member] |
|
|
|
| Allowance For Doubtful Accounts Receivable [Line Items] |
|
|
|
| Balance at Beginning of Period |
3,976
|
1,607
|
2,556
|
| Charged to Expense |
1,589
|
2,350
|
559
|
| Charged (to) from Another Account |
7
|
84
|
(740)
|
| Deductions |
1,433
|
65
|
768
|
| Balance at End of Period |
4,139
|
3,976
|
1,607
|
| Allowance for Notes Receivable [Member] |
|
|
|
| Allowance For Doubtful Accounts Receivable [Line Items] |
|
|
|
| Balance at Beginning of Period |
2,367
|
3,515
|
2,847
|
| Charged to Expense |
0
|
0
|
328
|
| Charged (to) from Another Account |
(7)
|
(84)
|
740
|
| Deductions |
959
|
1,064
|
400
|
| Balance at End of Period |
$ 1,401
|
$ 2,367
|
$ 3,515
|