Investment Securities (Details) - Schedule of unrealized losses not recognized in income - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Investment securities available-for-sale:
Investment Securities Available-for-Sale: Total, Fair Value	$ 149,428	$ 301,569
Investment Securities Available-for-Sale: Total, Unrealized Losses	(1,222)	(9,210)
Investment Securities Available-for-Sale: Less than 12 Months, Fair Value	72,710	60,601
Investment Securities Available-for-Sale: Less than 12 Months, Unrealized Losses	(309)	(559)
Investment Securities Available-for-Sale: 12 Months or Longer, Fair Value	76,718	240,968
Investment Securities Available-for-Sale: 12 Months or Longer, Unrealized Losses	(913)	(8,651)
Federal Agency Obligations [Member]
Investment securities available-for-sale:
Investment Securities Available-for-Sale: Total, Fair Value	6,512	35,472
Investment Securities Available-for-Sale: Total, Unrealized Losses	(42)	(605)
Investment Securities Available-for-Sale: Less than 12 Months, Fair Value	6,498	810
Investment Securities Available-for-Sale: Less than 12 Months, Unrealized Losses	(42)	(1)
Investment Securities Available-for-Sale: 12 Months or Longer, Fair Value	14	34,662
Investment Securities Available-for-Sale: 12 Months or Longer, Unrealized Losses		(604)
Residential mortgage pass-through securities [Member]
Investment securities available-for-sale:
Investment Securities Available-for-Sale: Total, Fair Value	94,980	178,365
Investment Securities Available-for-Sale: Total, Unrealized Losses	(643)	(4,602)
Investment Securities Available-for-Sale: Less than 12 Months, Fair Value	49,154	42,040
Investment Securities Available-for-Sale: Less than 12 Months, Unrealized Losses	(179)	(393)
Investment Securities Available-for-Sale: 12 Months or Longer, Fair Value	45,826	136,325
Investment Securities Available-for-Sale: 12 Months or Longer, Unrealized Losses	(464)	(4,209)
Commercial mortgage pass-through securities [Member]
Investment securities available-for-sale:
Investment Securities Available-for-Sale: Total, Fair Value	2,006	3,874
Investment Securities Available-for-Sale: Total, Unrealized Losses	(35)	(45)
Investment Securities Available-for-Sale: Less than 12 Months, Fair Value	2,006
Investment Securities Available-for-Sale: Less than 12 Months, Unrealized Losses	(35)
Investment Securities Available-for-Sale: 12 Months or Longer, Fair Value		3,874
Investment Securities Available-for-Sale: 12 Months or Longer, Unrealized Losses		(45)
Obligation Of U.S. States And Political Subdivisions [Member]
Investment securities available-for-sale:
Investment Securities Available-for-Sale: Total, Fair Value	34,775	64,367
Investment Securities Available-for-Sale: Total, Unrealized Losses	(392)	(3,402)
Investment Securities Available-for-Sale: Less than 12 Months, Fair Value	10,306	7,765
Investment Securities Available-for-Sale: Less than 12 Months, Unrealized Losses	(8)	(21)
Investment Securities Available-for-Sale: 12 Months or Longer, Fair Value	24,469	56,602
Investment Securities Available-for-Sale: 12 Months or Longer, Unrealized Losses	(384)	(3,381)
Corporate Bonds And Notes [Member]
Investment securities available-for-sale:
Investment Securities Available-for-Sale: Total, Fair Value	5,437	15,534
Investment Securities Available-for-Sale: Total, Unrealized Losses	(45)	(540)
Investment Securities Available-for-Sale: Less than 12 Months, Fair Value	2,478	7,767
Investment Securities Available-for-Sale: Less than 12 Months, Unrealized Losses	(23)	(133)
Investment Securities Available-for-Sale: 12 Months or Longer, Fair Value	2,959	7,767
Investment Securities Available-for-Sale: 12 Months or Longer, Unrealized Losses	(22)	(407)
Asset-backed Securities [Member]
Investment securities available-for-sale:
Investment Securities Available-for-Sale: Total, Fair Value	5,718	3,957
Investment Securities Available-for-Sale: Total, Unrealized Losses	(65)	(16)
Investment Securities Available-for-Sale: Less than 12 Months, Fair Value	2,268	2,219
Investment Securities Available-for-Sale: Less than 12 Months, Unrealized Losses	(22)	(11)
Investment Securities Available-for-Sale: 12 Months or Longer, Fair Value	3,450	1,738
Investment Securities Available-for-Sale: 12 Months or Longer, Unrealized Losses	$ (43)	$ (5)