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Inventories (Balance Sheet Adjustments) (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Inventory |  |
Inventory - net | $ 124,504 | $ 102,730
Other accrued liabilities | 13,624 | 9,764
Deferred tax liabilities | 5,287 | 6,914
Retained earnings | 114,324 | 145,797
Previously Reported |  |
Inventory |  |
Inventory - net |  | 97,543
Other accrued liabilities |  | 9,764
Deferred tax liabilities |  | 9,744
Retained earnings |  | 137,780
Adjustments |  |
Inventory |  |
Inventory - net |  | 5,187
Other accrued liabilities |  | 0
Deferred tax liabilities |  | (2,830)
Retained earnings |  | $ 8,017
Effects of change |  |
Inventory |  |
Inventory - net | 11,821 |
Other accrued liabilities | 1,090 |
Deferred tax liabilities | 0 |
Retained earnings | 10,731 |
Pro forma |  |
Inventory |  |
Inventory - net | 112,683 |
Other accrued liabilities | 12,534 |
Deferred tax liabilities | 5,287 |
Retained earnings | $ 103,593 |

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