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Stockholders' Equity	6 Months Ended
Stockholders' Equity	Jun. 30, 2018
Equity [Abstract]
Stockholders' Equity	13. STOCKHOLDERS’ EQUITY: On February 23, 2018, the Company’s board of directors declared the Company’s first quarter 2018 cash dividend in the amount of $0.85 per share of common stock, or an aggregate of approximately $43.6 million in cash, which was paid on April 16, 2018 to stockholders of record as of the close of business on March 30, 2018. On June 18, 2018, the Company’s board of directors declared the Company’s second quarter 2018 cash dividend in the amount of $0.85 per share of common stock, or an aggregate of approximately $43.6 million in cash, which was paid on July 16, 2018 to stockholders of record as of the close of business on June 29, 2018.