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Condensed Consolidating Financial Statements - Condensed Consolidating Statement of Cash Flows (Detail) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2017 | Mar. 31, 2016
Condensed Cash Flow Statements, Captions [Line Items] |  |
Net cash provided (used) by Operating activities | $ 7,561 | $ 11,441
Investing activities |  |
Expenditures for purchases of plant, equipment and timberlands | (36,783) | (43,294)
Proceeds from disposals of plant, equipment and timberlands, net |  | 33
Other |  | (300)
Net cash used by investing activities | (36,783) | (43,561)
Financing activities |  |
Net long-term borrowings | 36,046 | (1,926)
Payments of borrowing costs |  | (51)
Payments of dividends | (5,455) | (5,231)
Proceeds from government grants |  | 3,861
Payments related to share-based compensation awards and other | (112) | (751)
Net cash provided (used) by financing activities | 30,479 | (4,098)
Effect of exchange rate on cash | 526 | 1,176
Net increase (decrease) in cash and cash equivalents | 1,783 | (35,042)
Cash and cash equivalents at the beginning of period | 55,444 | 105,304
Cash and cash equivalents at the end of period | 57,227 | 70,262
Parent Company [Member] |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |
Net cash provided (used) by Operating activities | (19,330) | 10,563
Investing activities |  |
Expenditures for purchases of plant, equipment and timberlands | (21,515) | (22,297)
Proceeds from disposals of plant, equipment and timberlands, net |  | 21
Intercompany capital (contributed) returned |  | (17,000)
Other |  | (300)
Net cash used by investing activities | (21,515) | (39,576)
Financing activities |  |
Net long-term borrowings | 38,000 |
Payments of borrowing costs |  | (51)
Payments of dividends | (5,455) | (5,231)
Borrowings of intercompany loans | 8,550 | 3,210
Proceeds from government grants |  | 1,861
Payments related to share-based compensation awards and other | (112) | (751)
Net cash provided (used) by financing activities | 40,983 | (962)
Net increase (decrease) in cash and cash equivalents | 138 | (29,975)
Cash and cash equivalents at the beginning of period | 5,082 | 59,130
Cash and cash equivalents at the end of period | 5,220 | 29,155
Guarantors [Member] |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |
Net cash provided (used) by Operating activities | (307) | (74)
Investing activities |  |
Expenditures for purchases of plant, equipment and timberlands | (9,551) | (13,686)
Repayments from intercompany loans | 8,000 | 4,000
Advances of intercompany loans | (8,550) | (3,210)
Intercompany capital (contributed) returned | (400) | (500)
Net cash used by investing activities | (10,501) | (13,396)
Financing activities |  |
Net long-term borrowings | 12,000 |
Intercompany capital (returned) received |  | 17,000
Proceeds from government grants |  | 2,000
Net cash provided (used) by financing activities | 12,000 | 19,000
Net increase (decrease) in cash and cash equivalents | 1,192 | 5,530
Cash and cash equivalents at the beginning of period | 1,461 | 465
Cash and cash equivalents at the end of period | 2,653 | 5,995
Non Guarantors [Member] |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |
Net cash provided (used) by Operating activities | 27,839 | 952
Investing activities |  |
Expenditures for purchases of plant, equipment and timberlands | (5,717) | (7,311)
Proceeds from disposals of plant, equipment and timberlands, net |  | 12
Net cash used by investing activities | (5,717) | (7,299)
Financing activities |  |
Net long-term borrowings | (13,954) | (1,926)
Repayments of intercompany loans | (8,000) | (4,000)
Intercompany capital (returned) received | 400 | 500
Payment of intercompany dividend | (641) |
Net cash provided (used) by financing activities | (22,195) | (5,426)
Effect of exchange rate on cash | 526 | 1,176
Net increase (decrease) in cash and cash equivalents | 453 | (10,597)
Cash and cash equivalents at the beginning of period | 48,901 | 45,709
Cash and cash equivalents at the end of period | 49,354 | 35,112
Adjustments/ Eliminations [Member] |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |
Net cash provided (used) by Operating activities | (641) |
Investing activities |  |
Repayments from intercompany loans | (8,000) | (4,000)
Advances of intercompany loans | 8,550 | 3,210
Intercompany capital (contributed) returned | 400 | 17,500
Net cash used by investing activities | 950 | 16,710
Financing activities |  |
Repayments of intercompany loans | 8,000 | 4,000
Borrowings of intercompany loans | (8,550) | (3,210)
Intercompany capital (returned) received | (400) | (17,500)
Payment of intercompany dividend | 641 |
Net cash provided (used) by financing activities | $ (309) | $ (16,710)

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