Annual report pursuant to Section 13 and 15(d)

Related Party Transactions (Details Textual)

v2.4.0.8
Related Party Transactions (Details Textual) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Related Party Transaction [Line Items]      
Related Party Transaction, Amounts of Transaction $ 359,000 $ 330,000 $ 288,000
Alliance Bank [Member]
     
Related Party Transaction [Line Items]      
Interest income on cash deposits placed with affiliated entity 654,000 687,000 767,000
Alliance Bank [Member] | Affiliate Entity, a Custodian of CDARS [Member]
     
Related Party Transaction [Line Items]      
Cash deposits with related party 89,500,000 102,100,000  
Alliance Bank [Member] | Affiliate Entity, a Custodian of ICS [Member]
     
Related Party Transaction [Line Items]      
Cash deposits with related party $ 157,500,000 $ 84,200,000