Consolidated Financial Statement Details |
| | 8. Consolidated Financial Statement Details |
Prepaid expenses and other assets | | | | | | | | (dollars in thousands) | December 31, 2017 |
| December 31, 2016 |
| Deferred sales commissions | $ | 41,414 |
| $ | 37,459 |
| Prepaid software maintenance and subscriptions | 18,130 |
| 18,627 |
| Taxes, prepaid and receivable | 10,548 |
| 4,111 |
| Prepaid insurance | 1,310 |
| 308 |
| Deferred professional services costs | 681 |
| 1,722 |
| Prepaid royalties | 500 |
| 1,373 |
| Deferred tax asset | 451 |
| 2,379 |
| Other assets | 7,148 |
| 4,859 |
| Total prepaid expenses and other assets | 80,182 |
| 70,838 |
| Less: Long-term portion | 24,083 |
| 22,524 |
| Prepaid expenses and other current assets | $ | 56,099 |
| $ | 48,314 |
|
Accrued expenses and other liabilities | | | | | | | | (dollars in thousands) | December 31, 2017 |
| December 31, 2016 |
| Accrued bonuses | $ | 16,743 |
| $ | 17,468 |
| Accrued commissions and salaries | 6,943 |
| 8,832 |
| Taxes payable | 5,517 |
| 5,721 |
| Deferred rent liabilities | 4,548 |
| 4,110 |
| Lease incentive obligations | 4,635 |
| 5,604 |
| Unrecognized tax benefit | 1,972 |
| 3,295 |
| Customer credit balances | 4,652 |
| 5,148 |
| Accrued subscriptions | 1,221 |
| 2,840 |
| Accrued vacation costs | 2,458 |
| 2,214 |
| Accrued health care costs | 2,615 |
| 1,495 |
| Other liabilities | 8,727 |
| 6,002 |
| Total accrued expenses and other liabilities | 60,031 |
| 62,729 |
| Less: Long-term portion | 5,632 |
| 8,533 |
| Accrued expenses and other current liabilities | $ | 54,399 |
| $ | 54,196 |
|
Deferred revenue | | | | | | | | (dollars in thousands) | December 31, 2017 |
| December 31, 2016 |
| Subscriptions | $ | 185,042 |
| $ | 144,606 |
| Maintenance | 63,246 |
| 76,803 |
| Services and other | 31,811 |
| 29,531 |
| Total deferred revenue | 280,099 |
| 250,940 |
| Less: Long-term portion | 3,643 |
| 6,440 |
| Deferred revenue, current portion | $ | 276,456 |
| $ | 244,500 |
|
Other income (expense), net | | | | | | | | | | | | Years ended December 31, | | (dollars in thousands) | 2017 |
| 2016 |
| 2015 |
| Interest income | $ | 993 |
| $ | 581 |
| $ | 155 |
| Loss on sale of business | — |
| — |
| (1,976 | ) | Gain on derivative instrument | 462 |
| — |
| — |
| Loss on debt extinguishment | (299 | ) | — |
| — |
| Other income (expense), net | 1,104 |
| (872 | ) | 134 |
| Other income (expense), net | $ | 2,260 |
| $ | (291 | ) | $ | (1,687 | ) |
|