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	3 Months Ended
	Mar. 31, 2016 USD ($) Contract	Mar. 31, 2015 USD ($) Contract
Troubled Debt Restructurings [Abstract]
Number of Contracts | Contract	1	2
Recorded Investment | $	$ 17	$ 183