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Condensed Consolidating Financial Statements - Condensed Consolidating Statement of Cash Flows (Detail) - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2017 | Sep. 30, 2016
Condensed Cash Flow Statements, Captions [Line Items] |  |
Net cash provided (used) by Operating activities | $ 52,796 | $ 59,437
Investing activities |  |
Expenditures for purchases of plant, equipment and timberlands | (102,172) | (116,948)
Proceeds from disposals of plant, equipment and timberlands, net | 217 | 55
Other | (100) | (400)
Net cash used by investing activities | (102,055) | (117,293)
Financing activities |  |
Net long-term borrowings | 89,587 | 14,983
Payments of borrowing costs |  | (136)
Payments of dividends | (16,805) | (16,134)
Proceeds from government grants |  | 5,251
Payments related to share-based compensation awards and other | (128) | (990)
Net cash provided by financing activities | 72,654 | 2,974
Effect of exchange rate on cash | 5,448 | 330
Net increase (decrease) in cash and cash equivalents | 28,843 | (54,552)
Cash and cash equivalents at the beginning of period | 55,444 | 105,304
Cash and cash equivalents at the end of period | 84,287 | 50,752
Parent Company [Member] |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |
Net cash provided (used) by Operating activities | (17,066) | 41,753
Investing activities |  |
Expenditures for purchases of plant, equipment and timberlands | (55,415) | (78,187)
Proceeds from disposals of plant, equipment and timberlands, net | 8 | 41
Intercompany capital (contributed) returned | (2,000) | (17,000)
Other | (100) | (400)
Net cash used by investing activities | (57,507) | (95,546)
Financing activities |  |
Net long-term borrowings | 73,298 |
Payments of borrowing costs |  | (136)
Payments of dividends | (16,805) | (16,134)
Borrowings of intercompany loans | 13,500 | 12,330
Proceeds from government grants |  | 3,251
Payments related to share-based compensation awards and other | (128) | (990)
Net cash provided by financing activities | 69,865 | (1,679)
Net increase (decrease) in cash and cash equivalents | (4,708) | (55,472)
Cash and cash equivalents at the beginning of period | 5,082 | 59,130
Cash and cash equivalents at the end of period | 374 | 3,658
Guarantors [Member] |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |
Net cash provided (used) by Operating activities | (3,241) | 3,748
Investing activities |  |
Expenditures for purchases of plant, equipment and timberlands | (32,847) | (21,066)
Proceeds from disposals of plant, equipment and timberlands, net | 209 |
Repayments from intercompany loans | 12,000 | 11,101
Advances of intercompany loans | (13,500) | (12,330)
Intercompany capital (contributed) returned | (400) | (500)
Net cash used by investing activities | (34,538) | (22,795)
Financing activities |  |
Net long-term borrowings | 35,000 |
Intercompany capital (returned) received | 2,000 | 17,000
Proceeds from government grants |  | 2,000
Net cash provided by financing activities | 37,000 | 19,000
Net increase (decrease) in cash and cash equivalents | (779) | (47)
Cash and cash equivalents at the beginning of period | 1,461 | 465
Cash and cash equivalents at the end of period | 682 | 418
Non Guarantors [Member] |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |
Net cash provided (used) by Operating activities | 73,103 | 13,936
Investing activities |  |
Expenditures for purchases of plant, equipment and timberlands | (13,910) | (17,695)
Proceeds from disposals of plant, equipment and timberlands, net |  | 14
Net cash used by investing activities | (13,910) | (17,681)
Financing activities |  |
Net long-term borrowings | (18,711) | 14,983
Repayments of intercompany loans | (12,000) | (11,101)
Intercompany capital (returned) received | 400 | 500
Net cash provided by financing activities | (30,311) | 4,382
Effect of exchange rate on cash | 5,448 | 330
Net increase (decrease) in cash and cash equivalents | 34,330 | 967
Cash and cash equivalents at the beginning of period | 48,901 | 45,709
Cash and cash equivalents at the end of period | 83,231 | 46,676
Adjustments/ Eliminations [Member] |  |
Investing activities |  |
Repayments from intercompany loans | (12,000) | (11,101)
Advances of intercompany loans | 13,500 | 12,330
Intercompany capital (contributed) returned | 2,400 | 17,500
Net cash used by investing activities | 3,900 | 18,729
Financing activities |  |
Repayments of intercompany loans | 12,000 | 11,101
Borrowings of intercompany loans | (13,500) | (12,330)
Intercompany capital (returned) received | (2,400) | (17,500)
Net cash provided by financing activities | $ (3,900) | $ (18,729)

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