|
Property and Equipment (Details) (USD $)
|
12 Months Ended |
|
Dec. 31, 2014
|
Dec. 31, 2013
|
Dec. 31, 2012
|
| Property, Plant and Equipment [Line Items] |
|
|
|
| Cost |
$ 354,247,000 |
$ 300,865,000 |
|
| Accumulated Depreciation |
(144,220,000) |
(103,858,000) |
|
| Net Book Value |
210,027,000 |
197,007,000 |
|
| Depreciation |
63,468,000 |
42,232,000 |
20,234,000 |
| Depreciation, cost of revenue |
4,000,000 |
4,300,000 |
3,500,000 |
| Furniture and equipment |
|
|
|
| Property, Plant and Equipment [Line Items] |
|
|
|
| Cost |
39,690,000 |
30,374,000 |
|
| Accumulated Depreciation |
(13,577,000) |
(10,815,000) |
|
| Net Book Value |
26,113,000 |
19,559,000 |
|
| Computer equipment and software |
|
|
|
| Property, Plant and Equipment [Line Items] |
|
|
|
| Cost |
208,628,000 |
168,463,000 |
|
| Accumulated Depreciation |
(107,565,000) |
(77,880,000) |
|
| Net Book Value |
101,063,000 |
90,583,000 |
|
| Leasehold improvements |
|
|
|
| Property, Plant and Equipment [Line Items] |
|
|
|
| Cost |
96,784,000 |
91,294,000 |
|
| Accumulated Depreciation |
(23,078,000) |
(15,163,000) |
|
| Net Book Value |
73,706,000 |
76,131,000 |
|
| Construction in progress |
|
|
|
| Property, Plant and Equipment [Line Items] |
|
|
|
| Cost |
9,145,000 |
10,734,000 |
|
| Accumulated Depreciation |
0 |
0 |
|
| Net Book Value |
$ 9,145,000 |
$ 10,734,000 |
|