Investments (Gross Unrealized Losses and Fair Value in Continuous Unrealized Loss Position) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Schedule of Available-for-sale Securities [Line Items]
Total, Fair Value		$ 13,300
Mortgage Backed Securities, Goverment Sponsored Agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 months, Fair Value	51,834
Less than 12 months, Unrealized Losses	(1,090)
Total, Fair Value	51,834
Total, Unrealized Losses	(1,090)
Collateralized Mortgage Obligations, Government Sponsored Agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 months, Fair Value	45,629	4,962
Less than 12 months, Unrealized Losses	(1,081)	(10)
Total, Fair Value	45,629	5,076
Total, Unrealized Losses	(1,081)	(10)
Federal Agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 months, Fair Value	4,802	4,998
Less than 12 months, Unrealized Losses	(198)	(2)
Total, Fair Value	4,802	4,998
Total, Unrealized Losses	(198)	(2)
Municipals [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 months, Fair Value	6,060	874
Less than 12 months, Unrealized Losses	(104)	(16)
12 months or more, Fair Value	742
12 months or more, Unrealized Losses	(31)
Total, Fair Value	6,802	874
Total, Unrealized Losses	(135)	(16)
Corporate Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 months, Fair Value	17,847
Less than 12 months, Unrealized Losses	(80)
12 months or more, Fair Value	3,000	2,475
12 months or more, Unrealized Losses	(3,745)	(4,269)
Total, Fair Value	20,847	2,475
Total, Unrealized Losses	(3,825)	(4,269)
Total Temporarily Impaired Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 months, Fair Value	126,172	10,834
Less than 12 months, Unrealized Losses	(2,553)	(28)
12 months or more, Fair Value	3,742	2,475
12 months or more, Unrealized Losses	(3,776)	(4,269)
Total, Fair Value	129,914	13,309
Total, Unrealized Losses	$ (6,329)	$ (4,297)