FHLB Borrowings (Details) - Schedule of components of FHLB borrowings and weighted average interest rates - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
By type of borrowing:
FHLB borrowings (in Dollars)	$ 425,954	$ 500,293
Weighted average interest rates	1.07%	1.96%
By remaining period to maturity:
Less than 1 year (in Dollars)	$ 297,570	$ 400,000
Less than 1 year	0.84%	1.84%
1 year through less than 2 years (in Dollars)	$ 75,644	$ 62,000
1 year through less than 2 years	1.42%	2.26%
2 years through less than 3 years (in Dollars)	$ 50,000	$ 10,737
2 years through less than 3 years	1.84%	2.45%
3 years through less than 4 years (in Dollars)		$ 25,000
3 years through less than 4 years		2.92%
4 years through less than 5 years (in Dollars)
After 5 years (in Dollars)	$ 2,824	$ 2,882
After 5 years	2.42%	2.43%
Total FHLB borrowings (in Dollars)	$ 426,038	$ 500,619
Fair value (discount) premium	(84)	(326)
FHLB borrowings, net	$ 425,954	$ 500,293