Income Taxes - (As Restated) (Reconciliation of Federal Income Tax Rate to Effective Income Tax Rate) (Details)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Income Taxes - (As Restated) [Abstract]
Federal statutory rate	35.00%	35.00%
Tax-exempt income on securities and loans	(2.40%)	(8.20%)
Tax-exempt BOLI income	(2.10%)	(7.10%)
State income tax, net of federal tax benefit	4.90%	5.20%
Tax credits	(2.40%)	(7.10%)
Other	0.20%	0.60%
Effective Income Tax Rate Reconciliation, Percent, Total	33.20%	18.40%