LHFI and Allowance for Loan Losses, LHFI - Troubled Debt Restructuring Subsequently Defaulted (Details) - Troubled Debt Restructurings that Subsequently Defaulted [Member] - Secured by 1-4 Family Residential Properties [Member] $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($) Contract	Dec. 31, 2014 USD ($) Contract	Dec. 31, 2013 USD ($) Contract
Troubled Debt Restructurings [Abstract]
Number of Contracts | Contract	5	1	5
Recorded Investment | $	$ 260	$ 103	$ 345