Unaudited Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Current
Cash and cash equivalents	$ 48,457	$ 71,439
Restricted cash – current	1,858	1,599
Pool receivable from affiliates, net (note 13b)	24,714	15,550
Accounts receivable, including affiliate balances of $0.2 million (2017 - $0.8 million) (note 2)	15,912	19,288
Due from affiliates (note 13b)	50,034	49,103
Current portion of derivative assets (note 9)	2,728	1,016
Prepaid expenses	21,523	18,690
Other current assets (note 2)	3,103	0
Total current assets	168,329	176,685
Restricted cash – long-term	2,672	2,672
Vessels and equipment At cost, less accumulated depreciation of $563.0 million (2017 - $512.0 million) (note 7)	1,695,722	1,737,792
Vessels related to capital leases At cost, less accumulated depreciation of $31.4 million (2017 - $25.4 million) (note 8)	221,825	227,722
Investment in and advances to equity-accounted investments (note 6)	25,170	25,460
Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value	5,797	4,226
Intangible assets At cost, less accumulated amortization of $9.5 million (2017 - $8.2 million)	13,030	14,605
Other non-current assets	92	127
Goodwill	8,059	8,059
Total assets	2,140,696	2,197,348
Current
Accounts payable	5,822	7,860
Accrued liabilities	34,063	34,608
Current portion of long-term debt (note 7)	155,089	166,745
Current obligation related to capital leases (note 8)	7,454	7,227
Current portion of derivative liabilities (note 9)	16	0
Deferred revenue	61	557
Due to affiliates (note 13b)	39,422	19,717
Total current liabilities	241,927	236,714
Long-term debt (note 7)	778,728	785,557
Long-term obligation related to capital leases (note 8)	137,951	141,681
Other long-term liabilities (note 10)	29,620	26,795
Total liabilities	1,188,226	1,190,747
Commitments and contingencies (notes 6, 7, 8 and 9)
Equity
Common stock and additional paid-in capital (385.0 million shares authorized, 231.6 million Class A and 37.0 million Class B shares issued and outstanding as of June 30, 2018 and 231.2 million Class A and 37.0 million Class B shares issued and outstanding as of December 31, 2017) (note 12)	1,295,485	1,294,998
Accumulated deficit	(343,015)	(288,397)
Total equity	952,470	1,006,601
Total liabilities and equity	$ 2,140,696	$ 2,197,348

Pool receivables from affiliates, net.

No definition available.

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Namespace Prefix:	tnk_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).