Business Combination Business Combinations (Tables)

3 Months Ended

Mar. 31, 2018

Business Combinations [Abstract]

Business Combination, Segment Allocation [Table Text Block]

The details of the estimated purchase price and the preliminary allocation of the purchase price for the transaction, are presented below (in thousands):

	March 31, 2018
Acquisition costs:
Cash	$	171,091
Deposit made in prior period	21,000
Total cash consideration	192,091
Other purchase price adjustments	9,734
Total acquisition costs	$	201,825
Recognized amounts of identifiable assets acquired and liabilities assumed:
Assets acquired:
Current assets	$	517
Crude oil and natural gas properties - proved	208,279
Other assets	2,796
Total assets acquired	211,592
Liabilities assumed:
Current liabilities	(5,080		)
Asset retirement obligations	(4,687		)
Total liabilities assumed	(9,767		)
Total identifiable net assets acquired	$	201,825