Accumulated Other Comprehensive Income (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014
Changes in accumulated other comprehensive income, net of tax
Balance at the beginning of period	$ 5,739
Other comprehensive income before reclassifications	82
Amounts reclassified from accumulated other comprehensive income	12
Net current-period other comprehensive income	94
Balance at the end of period	5,833
Accumulated Translation Adjustment [Member]
Changes in accumulated other comprehensive income, net of tax
Balance at the beginning of period	6,070
Other comprehensive income before reclassifications	82
Net current-period other comprehensive income	82
Balance at the end of period	6,152
Accumulated Defined Benefit Plans Adjustment [Member]
Changes in accumulated other comprehensive income, net of tax
Balance at the beginning of period	(331)
Amounts reclassified from accumulated other comprehensive income	12
Net current-period other comprehensive income	12
Balance at the end of period	$ (319)