Assets and Liabilities Held for Sale and Discontinued Operations - Additional Information (Detail) - USD ($) $ in Thousands		1 Months Ended	12 Months Ended
	Sep. 01, 2016	Feb. 29, 2016	Dec. 31, 2016	Dec. 31, 2015	Nov. 30, 2016
Discontinued Operations And Disposal Groups [Line Items]
Disposal group, liabilities				$ 92,690
Disposal group, accounts payable and accrued liabilities			$ 11,240	52,973
Disposal group, debt				11,255
Loans payable			$ 41,944	90,467
Term Loan Facility [Member] | TransAtlantic Albania [Member]
Discontinued Operations And Disposal Groups [Line Items]
Loans payable				6,100
Debt failure to paid, amount				1,100
TBNG Credit Facility [Member]
Discontinued Operations And Disposal Groups [Line Items]
Loans payable				5,200
Line of Credit [Member] | Term Loan Facility [Member] | Raiffeisen Bank Sh A | TransAtlantic Albania [Member]
Discontinued Operations And Disposal Groups [Line Items]
Line of credit facility expiration date			Dec. 31, 2016
Line of Credit Facility, Frequency of Payments			TransAtlantic Albania was a party to the Term Loan Facility with Raiffeisen. The loan was scheduled to mature on December 31, 2016 and bore interest at the rate of LIBOR plus 5.5%, with a minimum interest rate of 7.0%. TransAtlantic Albania was required to pay 1/16th of the total commitment each quarter on the last business day of each of March, June, September and December each year.
Penalty Plus Breakage Costs			3.00%
Line of Credit [Member] | TBNG Credit Facility [Member] | Turkish Bank [Member] | Mitchell, and his Children [Member]
Discontinued Operations And Disposal Groups [Line Items]
Line of credit facility ownership percentage			97.50%
LIBOR [Member] | Line of Credit [Member] | Term Loan Facility [Member] | Raiffeisen Bank Sh A | TransAtlantic Albania [Member]
Discontinued Operations And Disposal Groups [Line Items]
Debt instrument basis spread on variable rate			5.50%
Minimum [Member] | LIBOR [Member] | Line of Credit [Member] | Term Loan Facility [Member] | Raiffeisen Bank Sh A | TransAtlantic Albania [Member]
Discontinued Operations And Disposal Groups [Line Items]
Revolving Credit Facility With Company Libor Minimum Rate			7.00%
Albania [Member]
Discontinued Operations And Disposal Groups [Line Items]
Disposal group, liabilities				62,837
Disposal group, accounts payable and accrued liabilities				37,888
Disposal group, debt				6,123
Albania [Member] | Stream Oil and Gas Ltd [Member]
Discontinued Operations And Disposal Groups [Line Items]
Receivable from sale of outstanding equities		$ 2,300
Disposal group, liabilities		29,200
Disposal group, accounts payable and accrued liabilities		23,100
Disposal group, debt		6,100
Warrants stock		$ 1,600	$ 0
Net book value of the assets held for sale to their fair value				$ 73,000
Albania [Member] | Stream Oil and Gas Ltd [Member] | Maximum [Member]
Discontinued Operations And Disposal Groups [Line Items]
Option to acquire ownership interest, percentage		25.00%
Albania [Member] | Delvina Gas Company Ltd [Member]
Discontinued Operations And Disposal Groups [Line Items]
Percentage of outstanding shares transferred	75.00%
Payment receivable in exchange for transfer of outstanding shares	$ 12,000
Disposal group, frequency of periodic payment receivable			each quarter
Disposal group, payment receivable term	18 months
Disposal group, outstanding shares transferred first payment to be received					$ 1,000
Gain on disposal of discontinued operations			$ 9,400
Disposal group discontinued operation percentage of operating costs payment			25.00%
Disposal group discontinued operation number of years deferral capital expenditures payment			3 years
Percentage of ownership interest in assets held for sale, no longer hold			25.00%