Income Taxes (Details) - Schedule of Effective Income Tax Rate Reconciliation - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Schedule of Effective Income Tax Rate Reconciliation [Abstract]
Income before income tax expense	$ 14,185	$ 16,070	$ 15,590	$ 15,391	$ 13,018	$ 2,019	$ 6,364	$ 6,010	$ 61,237	$ 27,410	$ 27,409
Federal statutory rate									35.00%	35.00%	35.00%
Computed "expected" Federal income tax expense									$ 21,433	$ 9,593	$ 9,593
State tax, net of Federal tax benefit									812	589	(53)
Bank owned life insurance									(624)	(456)	(477)
Tax-exempt interest and dividends									(1,584)	(1,511)	(1,645)
Other, net									(111)	630	66
Income tax									$ 19,926	$ 8,845	$ 7,484