Investments (Held-to-Maturity Securities) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	$ 728	$ 812
Held-to-maturity securities, unrealized gains	55	41
Held-to-maturity securities, unrealized losses	0	0
Fair Value	783	853
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	648	706
Held-to-maturity securities, unrealized gains	51	34
Held-to-maturity securities, unrealized losses	0	0
Fair Value	699	740
US Treasury Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	80	106
Held-to-maturity securities, unrealized gains	4	7
Held-to-maturity securities, unrealized losses	0	0
Fair Value	$ 84	$ 113