Allowance for Loan Losses - Modified Loan Accounts for TDR (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Receivables [Abstract]
Modified Loans	$ 75,183	$ 4,508	$ 139,091	$ 4,508
Charge-offs	1,740	0	2,388	0
Payment- Default	$ 8,394	$ 68	$ 13,177	$ 68