FHLB Borrowings (Details) - Schedule of components of FHLB and other borrowings and weighted average interest rates - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
By type of borrowing:
FHLB borrowings and other borrowings (in Dollars)	$ 476,280	$ 671,587
Weighted average interest rates	1.55%	1.26%
By remaining period to maturity:
One year or less (in Dollars)	$ 231,280	$ 270,587
One year or less	1.02%	0.64%
One to two years (in Dollars)	$ 130,000	$ 156,000
One to two years	1.84%	1.13%
Two to three years (in Dollars)	$ 35,000	$ 130,000
Two to three years	1.60%	1.84%
Three to four years (in Dollars)	$ 65,000	$ 35,000
Three to four years	2.82%	1.60%
Four to five years (in Dollars)		$ 65,000
Four to five years		2.82%
Federal Home Loan Bank Advances [Member]
By type of borrowing:
FHLB borrowings and other borrowings (in Dollars)	$ 461,280	$ 656,587
Weighted average interest rates	1.55%	1.26%