Investment Securities (Details 2) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Fair Value
Less than 12 months		$ 29,598
12 months or longer	1,187	213
Total temporarily impaired securities	1,187	29,811
Unrealized losses
Less than 12 months		(939)
12 months or longer	(27)	(18)
Total Unrealized losses on temporarily impaired securities	(27)	(957)
Fair value
Total fair value	91,134	94,058
Affiliated mutual funds
Fair Value
Less than 12 months		29,598
12 months or longer	1,187	213
Total temporarily impaired securities	1,187	29,811
Unrealized losses
Less than 12 months		(939)
12 months or longer	(27)	(18)
Total Unrealized losses on temporarily impaired securities	(27)	(957)
Fair value
Total fair value	88,051	84,048
Mortgage-Backed Securities and Bonds
Fair value
Within one year	2,991
After five years but within 10 years	34
Total fair value	3,025
Corporate bonds
Fair value
Total fair value	2,991	9,412
Amortized Cost
Within one year	3,018
Total amortized cost	3,018
Fair value
Within one year	3,024
Total fair value	$ 3,024