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Securities, Securities in Continuous Unrealized Loss Position (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Securities [Abstract]
Percentage of total investment with unrealized losses	21.80%	42.80%
Available-for-sale, amortized cost [Abstract]
Less than 12 months	$ 107,461	$ 85,046
12 months or more	101,307	173,948
Total	208,768	258,994
Available-for-sale, gross unrealized losses [Abstract]
Less than 12 months	(538)	(561)
12 months or more	(944)	(1,400)
Total	(1,482)	(1,961)
Available-for-sale, fair value [Abstract]
Less than 12 months	106,923	84,485
12 months or more	100,363	172,548
Total	207,286	257,033
U.S. Treasury and Government Agencies [Member]
Available-for-sale, amortized cost [Abstract]
Less than 12 months	5,870	25,955
12 months or more	60,681	82,339
Total	66,551	108,294
Available-for-sale, gross unrealized losses [Abstract]
Less than 12 months	(8)	(148)
12 months or more	(241)	(428)
Total	(249)	(576)
Available-for-sale, fair value [Abstract]
Less than 12 months	5,862	25,807
12 months or more	60,440	81,911
Total	66,302	107,718
State and Political Subdivisions [Member]
Available-for-sale, amortized cost [Abstract]
Less than 12 months	2,670	8,356
12 months or more	0	0
Total	2,670	8,356
Available-for-sale, gross unrealized losses [Abstract]
Less than 12 months	(26)	(37)
12 months or more	0	0
Total	(26)	(37)
Available-for-sale, fair value [Abstract]
Less than 12 months	2,644	8,319
12 months or more	0	0
Total	2,644	8,319
U.S. Government Sponsored Agency Mortgage-backed Securities [Member]
Available-for-sale, amortized cost [Abstract]
Less than 12 months	68,751	19,317
12 months or more	14,300	91,609
Total	83,051	110,926
Available-for-sale, gross unrealized losses [Abstract]
Less than 12 months	(182)	(100)
12 months or more	(58)	(972)
Total	(240)	(1,072)
Available-for-sale, fair value [Abstract]
Less than 12 months	68,569	19,217
12 months or more	14,242	90,637
Total	82,811	109,854
Other Debt Securities [Member]
Available-for-sale, amortized cost [Abstract]
Less than 12 months	30,170	31,418
12 months or more	26,326	0
Total	56,496	31,418
Available-for-sale, gross unrealized losses [Abstract]
Less than 12 months	(322)	(276)
12 months or more	(645)	0
Total	(967)	(276)
Available-for-sale, fair value [Abstract]
Less than 12 months	29,848	31,142
12 months or more	25,681	0
Total	$ 55,529	$ 31,142

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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