FHLB Borrowings (Details) - Schedule of components of FHLB borrowings and weighted average interest rates - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
By type of borrowing:
FHLB borrowings (in Dollars)	$ 359,710	$ 425,954
Weighted average interest rates	1.11%	1.07%
By remaining period to maturity:
Less than 1 year (in Dollars)	$ 297,381	$ 297,570
Less than 1 year	0.93%	0.84%
1 year through less than 2 years (in Dollars)	$ 34,621	$ 75,644
1 year through less than 2 years	1.24%	1.42%
2 years through less than 3 years (in Dollars)	$ 25,000	$ 50,000
2 years through less than 3 years	2.92%	1.84%
3 years through less than 4 years (in Dollars)
3 years through less than 4 years
4 years through less than 5 years (in Dollars)
4 years through less than 5 years
After 5 years (in Dollars)	$ 2,809	$ 2,824
After 5 years	2.41%	2.42%
Total FHLB borrowings (in Dollars)	$ 359,811	$ 426,038
Fair value premium (discount)	(101)	(84)
Total borrowings	$ 359,710	$ 425,954