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Subsequent Events	3 Months Ended
Subsequent Events	Mar. 31, 2014
Subsequent Events [Abstract]
Subsequent Events	SUBSEQUENT EVENTS On April 11, 2014, the Corporation entered into a line of credit agreement with U.S. Bank, N.A. with a maximum borrowing capacity of $20 million. Interest is payable quarterly based on one-month LIBOR plus 2.00 percent. The line of credit has a quarterly facility fee of 0.25 percent on the unused balance. The maturity date for the line of credit is April 10, 2015. The line of credit agreement contains certain customary representations and warranties and financial and negative covenants.