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Summary of Unaudited Pro Forma Combined Financial Information (Details) - American Acquisition [Member] $ / shares in Units, shares in Thousands, $ in Thousands | 3 Months Ended
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Mar. 31, 2017 USD ($) $ / shares shares
Business Acquisition [Line Items] |
Pro forma combined revenues | $ | $ 210,771
Pro forma combined net income | $ | $ 11,466
Weighted-average common shares outstanding: |
Basic | $ / shares | $ 0.44
Diluted | $ / shares | $ 0.43
Pro forma combined net income per share: |
Basic | shares | 26,284
Diluted | shares | 26,813

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- Definition The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2)-(3) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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