FHLB Borrowings (Details) - Schedule of components of FHLB borrowings and weighted average interest rates - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
By type of borrowing:
FHLB borrowings (in Dollars)	$ 253,225	$ 425,954
Weighted average interest rates	1.23%	1.07%
By remaining period to maturity:
Less than 1 year (in Dollars)	$ 168,213	$ 297,570
Less than 1 year	1.00%	0.84%
1 year through less than 2 years (in Dollars)	$ 57,360	$ 75,644
1 year through less than 2 years	1.93%	1.42%
2 years through less than 3 years (in Dollars)		$ 50,000
2 years through less than 3 years		1.84%
3 years through less than 4 years (in Dollars)	$ 25,000
3 years through less than 4 years	1.00%
4 years through less than 5 years (in Dollars)	$ 2,050
4 years through less than 5 years	2.23%
After 5 years (in Dollars)	$ 729	$ 2,824
After 5 years	2.91%	2.42%
Total FHLB borrowings (in Dollars)	$ 253,352	$ 426,038
Fair value discount	(127)	(84)
Total borrowings	$ 253,225	$ 425,954