Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Current Assets:
Cash and cash equivalents	$ 254,103	$ 207,867
Restricted cash	113,391	50,222
Trade and other receivables	135,395	52,979
Inventory (note 12)	28,297	28,491
Advances against auction contracts	11,534	5,621
Prepaid expenses and deposits	14,971	19,005
Assets held for sale (note 13)	245	632
Income taxes receivable	16,576	13,181
Total Current Assets	574,512	377,998
Property, plant and equipment (note 14)	524,212	515,030
Equity-accounted investments (note 17)	7,289	7,326
Restricted cash (note 10)		500,000
Deferred debt issue costs (note 18)	4,168	6,182
Other non-current assets	7,054	4,027
Intangible assets (note 15)	255,500	72,304
Goodwill (note 16)	667,573	97,537
Deferred tax assets	27,824	19,129
Total Assets	2,068,132	1,599,533
Current liabilities:
Auction proceeds payable	303,712	98,873
Trade and other payables	127,738	124,694
Income taxes payable	876	5,355
Short-term debt (note 18)	14,110	23,912
Current portion of long-term debt (note 18)	16,618
Total Current Liabilities	463,054	252,834
Long-term debt (note 18)	797,695	595,706
Share unit liabilities	1,867	4,243
Other non-current liabilities	16,091	14,583
Deferred tax liabilities	65,170	36,387
Total Liabilities	1,343,877	903,753
Contingencies (note 21)
Contingently redeemable performance share units (note 20)	7,706	3,950
Share capital:
Common stock; no par value, unlimited shares authorized, issued and outstanding shares: 107,078,512 (December 31, 2016: 106,822,001)	132,864	125,474
Additional paid-in capital	36,963	27,638
Retained earnings	592,169	601,071
Accumulated other comprehensive loss	(50,349)	(67,126)
Stockholders' equity	711,647	687,057
Non-controlling interest	4,902	4,773
Total Equity	716,549	691,830
Total Liabilities and Equity	$ 2,068,132	$ 1,599,533