LHFI and Allowance for Loan Losses, LHFI - Impact of Modifications Classified as Troubled Debt Restructurings (Details) - Secured by 1-4 Family Residential Properties [Member] - Troubled Debt Restructurings [Member] $ in Thousands	3 Months Ended
	Mar. 31, 2016 USD ($) Contract	Mar. 31, 2015 USD ($) Contract
Troubled Debt Restructurings [Abstract]
Number of Contracts | Contract	2	6
Pre-Modification Outstanding Recorded Investment	$ 71	$ 378
Post-Modification Outstanding Recorded Investment	$ 71	$ 378