Equity (Changes in Accumulated Other Comprehensive Loss) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Accumulated Other Comprehensive Loss [Line Items]
Accumulated other comprehensive loss, beginning balance	$ (5,501)		$ (7,946)		$ (6,156)
Activity before reclassifications, net of tax	(7,556)		2,445		(2,144)
Reclassifications, net of tax	(229)		0		354
Activity, net of tax	(7,785)		2,445		(1,790)
Accumulated other comprehensive loss, ending balance	(13,286)		(5,501)		(7,946)
Accumulated Net Unrealized Investment Gain (Loss) [Member]
Accumulated Other Comprehensive Loss [Line Items]
Accumulated other comprehensive loss, beginning balance	(5,396)		(5,917)		(5,757)
Activity before reclassifications, net of tax	337		521		(514)
Reclassifications, net of tax	(229)	[1]	0	[1]	354	[1]
Activity, net of tax	108		521		(160)
Accumulated other comprehensive loss, ending balance	(5,288)		(5,396)		(5,917)
Accumulated Translation Adjustment [Member]
Accumulated Other Comprehensive Loss [Line Items]
Accumulated other comprehensive loss, beginning balance	(105)		(2,029)		(399)
Activity before reclassifications, net of tax	(7,893)		1,924		(1,630)
Reclassifications, net of tax	0		0		0
Activity, net of tax	(7,893)		1,924		(1,630)
Accumulated other comprehensive loss, ending balance	$ (7,998)		$ (105)		$ (2,029)

[1] Represents the reclassification adjustment on securities sold, which was recognized as a component of other income. See Note 6 - Fair Value of Financial Instruments.