Commitments and Contingencies (Details Textual) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Commitments and Contingencies (Textual)
Description of employment agreement	These agreements also include a) an incentive program, b) a stock option plan, c) a one-year non-compete agreement upon termination and a severance payment equal to one year of compensation.
Estimated aggregate salary commitment	$ 1,900,000
Agreement with data processor expire date	2023
Monthly charges under agreement with data processor	102,000
Operating lease expired date	2028
Lease expense	$ 811,000	$ 800,000	$ 728,000
Chief Executive Officer [Member]
Commitments and Contingencies (Textual)
Period of employment agreement	3 years
President [Member]
Commitments and Contingencies (Textual)
Period of employment agreement	2 years
Executive Vice President [Member]
Commitments and Contingencies (Textual)
Period of employment agreement	2 years
Number of executive officers	7