Cash and Cash Equivalents (Details) CAD in Thousands, $ in Thousands |
12 Months Ended | |||||
|---|---|---|---|---|---|---|
|
Dec. 31, 2015
CAD
|
Dec. 31, 2014
CAD
|
Dec. 31, 2015
USD ($)
|
Dec. 31, 2014
USD ($)
|
Dec. 31, 2013
USD ($)
|
Dec. 31, 2012
USD ($)
|
|
| Cash and Cash Equivalents [Line Items] | ||||||
| Cash and cash equivalents | $ 110,070 | $ 41,953 | $ 83,529 | $ 17,655 | ||
| Restricted cash | CAD | CAD 1,000 | CAD 1,050 | ||||
| Money Market Funds and Term Deposits | ||||||
| Cash and Cash Equivalents [Line Items] | ||||||
| Cash and cash equivalents | $ 80,914 | $ 36,065 | ||||
| Money Market Funds and Term Deposits | Minimum | ||||||
| Cash and Cash Equivalents [Line Items] | ||||||
| Interest rates | 0.01% | 0.01% | ||||
| Money Market Funds and Term Deposits | Maximum | ||||||
| Cash and Cash Equivalents [Line Items] | ||||||
| Interest rates | 1.00% | 1.00% | ||||