Accumulated OCI (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017		Sep. 30, 2016
Changes in accumulated OCI, net of tax [Roll Forward]
Other comprehensive income before reclassifications, net of tax			$ 868
Amounts reclassified from accumulated OCI, net of tax			236
Total other comprehensive income, net of tax	$ 4,502		1,104
Accumulated Other Comprehensive Income (Loss) [Member]
Changes in accumulated OCI, net of tax [Roll Forward]
Balance			(4,239)
Balance			(3,135)
Net Change in Fair Value of Interest Rate Swaps [Member]
Changes in accumulated OCI, net of tax [Roll Forward]
Balance			(239)
Other comprehensive income before reclassifications, net of tax			(66)
Amounts reclassified from accumulated OCI, net of tax			236
Total other comprehensive income, net of tax			170
Balance			(69)
Other comprehensive income (loss) before reclassifications, tax			(43)
Foreign Currency Translation Adjustments [Member]
Changes in accumulated OCI, net of tax [Roll Forward]
Balance	(4,502)		(4,000)
Other comprehensive income before reclassifications, net of tax	1,458		934
Amounts reclassified from accumulated OCI, net of tax	3,044	[1]	0
Total other comprehensive income, net of tax			934
Balance	0		(3,066)
Other comprehensive income (loss) before reclassifications, tax	225		$ 0
Amounts reclassified from accumulated OCI, tax	$ 0

[1] This amount was reclassified out of accumulated OCI to gain (loss) on discontinued operations during the nine months ended September 30, 2017 and had a tax effect of $0.