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SUMMARY OF SIGNIFICANT ACCOUNTING AND BUSINESS POLICIES, Out-of-Period Items (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended
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Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Out-of-Period Items [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Canadian acquisition deferred tax liability true up | $ (2,180) |  |  |  |  |  |  |  |  |  |  |  | $ (2,180) | $ 0 | $ 0
Selling, general and administrative expenses |  |  |  |  |  |  |  |  |  |  |  |  | 238,091 | 245,470 | 303,819
Income tax (benefit) |  |  |  |  |  |  |  |  |  |  |  |  | 363 | 2,523 | 150
Net income (loss) | $ 6,600 | $ 3,000 | $ 4,100 | $ 3,100 | $ 7,100 | $ 100 | $ 5,100 | $ (5,200) | $ (3,200) | $ (52,700) | $ 7,200 | $ 9,700 | $ 16,529 | $ 7,151 | $ (39,070)
Basic earnings (loss) per share (in dollars per share) | $ 0.38 | $ 0.17 | $ 0.24 | $ 0.18 | $ 0.44 | $ 0.02 | $ 0.36 | $ (0.36) | $ (0.20) | $ (3.64) | $ 0.50 | $ 0.67 | $ 0.97 | $ 0.51 | $ (2.68)
Diluted earnings (loss) per share (in dollars per share) | $ 0.37 | $ 0.16 | $ 0.23 | $ 0.17 | $ 0.42 | $ 0.02 | $ 0.34 | $ (0.36) |  |  |  |  | $ 0.93 | $ 0.49 | $ (2.68)
Overstatement of Accrual at December 31, 2014 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Out-of-Period Items [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Selling, general and administrative expenses |  |  |  |  |  |  |  |  |  |  |  | $ 2,500 |  |  |
Out-of-period adjustment, net of tax |  |  |  |  |  |  |  |  |  |  |  | $ 1,600 |  |  |
Income tax (benefit) |  |  |  |  |  |  |  |  | $ (1,500) |  |  |  |  |  |
Net income (loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3,100
Basic earnings (loss) per share (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ (0.21)
Diluted earnings (loss) per share (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ (0.21)

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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign acquisition deferred tax liability pursuant to Tax Cuts and Jobs Act of 2017. + References No definition available. + Details
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- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=96948231&loc=d3e4984-109258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=96947427&loc=d3e1252-109256 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
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- Definition The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -SubTopic 10 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=68048583&loc=d3e3636-108311 + Details
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