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Condensed Consolidating Financial Statements - Condensed Consolidating Statement of Cash Flows (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Condensed Cash Flow Statements, Captions [Line Items] |  |  |
Net cash provided (used) by Operating activities | $ 116,110 | $ 133,743 | $ 99,577
Investing activities |  |  |
Expenditures for purchases of plant, equipment and timberlands | (160,158) | (99,889) | (66,046)
Proceeds from disposals of plant, equipment and timberlands, net | 70 | 24,459 | 5,072
Acquisition, net of cash acquired |  | (224) | (8,015)
Other | (800) | (1,600) | (600)
Net cash used by investing activities | (160,888) | (77,254) | (69,589)
Financing activities |  |  |
Net long-term borrowings | 14,114 | (24,650) | (18,128)
Payments of borrowing costs | (136) | (1,329) |
Payments of dividends | (21,589) | (20,443) | (18,696)
Repurchases of common stock |  |  | (12,180)
Proceeds from government grants | 5,582 | 421 |
Payments related to share-based compensation awards and other | (990) | (2,015) | (1,877)
Net cash used by financing activities | (3,019) | (48,016) | (50,881)
Effect of exchange rate on cash | (2,063) | (3,006) | (2,152)
Net increase (decrease) in cash and cash equivalents | (49,860) | 5,467 | (23,045)
Cash and cash equivalents at the beginning of period | 105,304 | 99,837 | 122,882
Cash and cash equivalents at the end of period | 55,444 | 105,304 | 99,837
Adjustments/ Eliminations [Member] |  |  |
Investing activities |  |  |
Repayments from intercompany loans | (15,601) | (57,855) | (20,840)
Advances of intercompany loans | 18,330 | 49,230 | 39,011
Intercompany capital contributed | 17,500 | (9,800) |
Net cash used by investing activities | 20,229 | (18,425) | 18,171
Financing activities |  |  |
Repayments of intercompany loans | 15,601 | 57,855 | 20,840
Borrowings of intercompany loans | (18,330) | (49,230) | (39,011)
Intercompany capital (returned) received | (17,500) | 9,800 |
Net cash used by financing activities | (20,229) | 18,425 | (18,171)
Parent Company [Member] |  |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |  |
Net cash provided (used) by Operating activities | 33,109 | 34,391 | 36,240
Investing activities |  |  |
Expenditures for purchases of plant, equipment and timberlands | (104,595) | (65,265) | (34,518)
Proceeds from disposals of plant, equipment and timberlands, net | 41 | 22,741 | 3,707
Advances of intercompany loans |  |  | (12,671)
Intercompany capital contributed | (17,000) | 10,100 |
Other | (800) | (1,600) | (600)
Net cash used by investing activities | (122,354) | (34,024) | (44,082)
Financing activities |  |  |
Net long-term borrowings | 36,000 |  |
Payments of borrowing costs | (136) | (1,329) |
Payments of dividends | (21,589) | (20,443) | (18,696)
Repurchases of common stock |  |  | (12,180)
Repayments of intercompany loans |  | (9,158) |
Borrowings of intercompany loans | 18,330 | 49,230 | 26,340
Proceeds from government grants | 3,582 | 421 |
Payments related to share-based compensation awards and other | (990) | (2,166) | (1,630)
Net cash used by financing activities | 35,197 | 16,555 | (6,166)
Net increase (decrease) in cash and cash equivalents | (54,048) | 16,922 | (14,008)
Cash and cash equivalents at the beginning of period | 59,130 | 42,208 | 56,216
Cash and cash equivalents at the end of period | 5,082 | 59,130 | 42,208
Guarantors [Member] |  |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |  |
Net cash provided (used) by Operating activities | 1,275 | 627 | 4,159
Investing activities |  |  |
Expenditures for purchases of plant, equipment and timberlands | (30,682) | (109) |
Proceeds from disposals of plant, equipment and timberlands, net |  | 1,213 | 1,355
Repayments from intercompany loans | 15,601 | 57,855 | 20,840
Advances of intercompany loans | (18,330) | (49,230) | (26,340)
Intercompany capital contributed | (500) | (300) |
Net cash used by investing activities | (33,911) | 9,429 | (4,145)
Financing activities |  |  |
Net long-term borrowings | 14,000 |  |
Intercompany capital (returned) received | 17,000 | (10,100) |
Payment of intercompany dividend | 632 |  |
Proceeds from government grants | 2,000 |  |
Net cash used by financing activities | 33,632 | (10,100) |
Net increase (decrease) in cash and cash equivalents | 996 | (44) | 14
Cash and cash equivalents at the beginning of period | 465 | 509 | 495
Cash and cash equivalents at the end of period | 1,461 | 465 | 509
Non Guarantors [Member] |  |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |  |
Net cash provided (used) by Operating activities | 81,726 | 98,725 | 59,178
Investing activities |  |  |
Expenditures for purchases of plant, equipment and timberlands | (24,881) | (34,515) | (31,528)
Proceeds from disposals of plant, equipment and timberlands, net | 29 | 505 | 10
Acquisition, net of cash acquired |  | (224) | (8,015)
Net cash used by investing activities | (24,852) | (34,234) | (39,533)
Financing activities |  |  |
Net long-term borrowings | (35,886) | (24,650) | (18,128)
Repayments of intercompany loans | (15,601) | (48,697) | (20,840)
Borrowings of intercompany loans |  |  | 12,671
Intercompany capital (returned) received | 500 | 300 |
Payment of intercompany dividend | (632) |  |
Payments related to share-based compensation awards and other |  | 151 | (247)
Net cash used by financing activities | (51,619) | (72,896) | (26,544)
Effect of exchange rate on cash | (2,063) | (3,006) | (2,152)
Net increase (decrease) in cash and cash equivalents | 3,192 | (11,411) | (9,051)
Cash and cash equivalents at the beginning of period | 45,709 | 57,120 | 66,171
Cash and cash equivalents at the end of period | $ 48,901 | $ 45,709 | $ 57,120

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