ACCOUNTING POLICIES (Share-Based Compensation - ASC Topic 718) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017	Jan. 01, 2017
Adopted Accounting Pronouncements
Retained earnings	$ 501,389	$ 438,379
Additional paid-in capital	325,712	319,436
Noncurrent deferred tax liabilities	$ 56,441	$ 49,157
ASC Topic 718, Compensation – Stock Compensation \| Adjustment
Adopted Accounting Pronouncements
Retained earnings			$ (200)
Additional paid-in capital			400
Noncurrent deferred tax liabilities			$ (200)

Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital.

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Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences with jurisdictional netting.

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No definition available.

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The cumulative amount of the reporting entity's undistributed earnings or deficit.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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