Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Statement of Comprehensive Income [Abstract]
Net income	$ 15,189	$ 9,836	$ 12,891
Foreign currency translation adjustments	1,955	(6,914)	6,686
Change in fair value of interest rate cap, net of tax	0	142	(142)
Change in fair value of interest rate swap, net of tax	0	(63)	63
Comprehensive income	$ 17,144	$ 3,001	$ 19,498

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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