Consolidated Statements of Cash Flows - USD ($) $ in Thousands |
12 Months Ended |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
| Operating activities |
|
|
|
| Net income (loss) |
$ (84,256)
|
$ (79,620)
|
$ 130,083
|
| Adjustments to reconcile net income (loss) to net cash provided by (used in) operations: |
|
|
|
| Depreciation and amortization |
8,462
|
6,047
|
6,823
|
| Share-based compensation |
29,236
|
27,181
|
25,025
|
| Loss on disposal |
0
|
1,604
|
0
|
| Provision (recovery) for doubtful receivables |
(46)
|
(430)
|
634
|
| Deferred income taxes |
(52,690)
|
(49,227)
|
79,356
|
| Restricted cash equivalents |
(1,500)
|
0
|
0
|
| Excess tax benefit from share-based awards |
0
|
(176)
|
(15)
|
| Changes in operating assets and liabilities: |
|
|
|
| Accounts receivable |
(5,709)
|
20,548
|
658
|
| Prepaid income taxes |
5,058
|
3,794
|
(4,836)
|
| Other assets |
(7,465)
|
(47)
|
14,434
|
| Accounts payable |
(7,162)
|
8,251
|
3,378
|
| Accrued compensation and benefits |
(5,918)
|
3,174
|
3,813
|
| Other liabilities |
248
|
(3,312)
|
(2,955)
|
| Customer liabilities |
97,930
|
(15,023)
|
(201,975)
|
| Net cash provided by (used in) operating activities |
(23,812)
|
(77,236)
|
54,423
|
| Investing activities |
|
|
|
| Purchase of short-term investments |
(1,023)
|
0
|
0
|
| Purchases of property, equipment, and software |
(21,275)
|
(6,034)
|
(1,877)
|
| Net cash used in investing activities |
(22,298)
|
(6,034)
|
(1,877)
|
| Financing activities |
|
|
|
| Excess tax benefit from share-based awards |
0
|
176
|
15
|
| Exercise of vested stock options |
1,547
|
0
|
46
|
| Purchase of treasury stock |
(1,607)
|
(370)
|
(161)
|
| Restricted cash release from letter of credit |
5,000
|
0
|
0
|
| Net cash provided by (used in) financing activities |
4,940
|
(194)
|
(100)
|
| Effect of exchange rate changes in cash |
(500)
|
(260)
|
(511)
|
| Net increase (decrease) in cash and cash equivalents |
(41,670)
|
(83,724)
|
51,935
|
| Cash and cash equivalents, at beginning of year |
145,167
|
228,891
|
176,956
|
| Cash and cash equivalents, at end of year |
103,497
|
145,167
|
228,891
|
| Supplemental disclosures of cash flow information |
|
|
|
| Income taxes paid |
(1,088)
|
(801)
|
(1,742)
|
| Income taxes refunded |
$ 1,441
|
$ 3,014
|
$ 754
|