Quarterly report pursuant to Section 13 or 15(d)

Unaudited Consolidated Statements of Comprehensive Income

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Unaudited Consolidated Statements of Comprehensive Income - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Statement of Comprehensive Income [Abstract]        
Net income $ 8,751 $ 7,807 $ 15,803 $ 15,100
Change in fair value of interest rate swap agreements, net of tax 123 (24) 334 69
Other comprehensive income (loss), net of tax 123 (24) 334 69
Comprehensive income $ 8,874 $ 7,783 $ 16,137 $ 15,169