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Condensed Consolidated Statements of Equity (Unaudited) - USD ($) $ in Thousands | Total | Common Stock | Additional Paid-in Capital | Accumulated Deficit | Accumulated Other Comprehensive Loss | Noncontrolling Interest
--- | --- | --- | --- | --- | --- | ---
Equity, beginning balance at Dec. 31, 2016 |  |  | $ 819 | $ 1,132,540 | $ (94,077) | $ (93,347) |
Equity, Noncontrolling Interest, beginning balance at Dec. 31, 2016 |  |  |  |  |  |  | $ 0
Total Equity, beginning balance at Dec. 31, 2016 |  | $ 945,935 |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Comprehensive income (loss) |  | (1,260) |  |  | (1,939) | 679 | 0
Repurchase Class A Common shares: 285,201 in 2018 and 81,091 in 2017 |  | (1,760) | (1) | (1,262) | (497) |  |
Compensation plans: 340,774 net shares issued in 2018 and 466,474 in 2017 | [1] | 4,539 | 5 | 4,534 |  |  |
Equity, ending balance at Mar. 31, 2017 |  |  | 823 | 1,135,812 | (96,513) | (92,668) |
Equity, Noncontrolling Interest, beginning balance at Mar. 31, 2017 |  |  |  |  |  |  | 0
Total Equity, ending balance at Mar. 31, 2017 |  | 947,454 |  |  |  |  |
Equity, beginning balance at Dec. 31, 2017 |  | 936,853 | 816 | 1,129,020 | (90,061) | (102,922) |
Equity, Noncontrolling Interest, beginning balance at Dec. 31, 2017 |  | 632 |  |  |  |  | 632
Total Equity, beginning balance at Dec. 31, 2017 |  | 937,485 |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Comprehensive income (loss) |  | (26,341) |  |  | (26,449) | 740 | (632)
Cash dividend: declared and paid - $0.05 per share |  | (4,125) |  |  | (4,125) |  |
Repurchase Class A Common shares: 285,201 in 2018 and 81,091 in 2017 |  | (4,409) | (3) | (4,406) | 0 |  |
Compensation plans: 340,774 net shares issued in 2018 and 466,474 in 2017 | [1] | 2,078 | 4 | 2,074 |  |  |
Equity, ending balance at Mar. 31, 2018 |  | 904,688 | $ 817 | $ 1,126,688 | $ (120,635) | $ (102,182) |
Equity, Noncontrolling Interest, beginning balance at Mar. 31, 2018 |  | 0 |  |  |  |  | $ 0
Total Equity, ending balance at Mar. 31, 2018 |  | $ 904,688 |  |  |  |  |
[1] | * Net of tax payments related to shares withheld for vested RSUs of $1,868 in 2018 and $3,287 in 2017.

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- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=96868048&loc=SL4569616-111683 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4K -URI http://asc.fasb.org/extlink&oid=84234705&loc=SL4591552-111686 + Details
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- Definition Amount of paid and unpaid cash, stock, and paid-in-kind (PIK) dividends declared, for example, but not limited to, common and preferred stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 405 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6957935&loc=d3e64057-112817 + Details
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- Definition Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(22)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(24)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.31) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Value of stock (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of stock value of such awards forfeited. Stock issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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