Securities - Available-for-sale Securities in Continuous Loss Position (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, fair value, less than 12 months	$ 26,304	$ 19,836
Available-for-sale, gross unrealized losses, less than 12 months	(181)	(253)
Available-for-sale, fair value, 12 months or greater	12,175	27,449
Available-for-sale, gross unrealized losses, 12 months or greater	(240)	(281)
Securities available for sale	38,479	47,285
Available-for-sale, gross unrealized losses, total	(421)	(534)
US Government-sponsored Enterprises Debt Securities [Member]
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, fair value, less than 12 months	6,583	2,972
Available-for-sale, gross unrealized losses, less than 12 months	(8)	(43)
Available-for-sale, fair value, 12 months or greater	0	5,987
Available-for-sale, gross unrealized losses, 12 months or greater	0	(13)
Securities available for sale	6,583	8,959
Available-for-sale, gross unrealized losses, total	(8)	(56)
Municipal securities [Member]
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, fair value, less than 12 months	3,546	3,656
Available-for-sale, gross unrealized losses, less than 12 months	(16)	(16)
Available-for-sale, fair value, 12 months or greater	0	527
Available-for-sale, gross unrealized losses, 12 months or greater	0	(3)
Securities available for sale	3,546	4,183
Available-for-sale, gross unrealized losses, total	(16)	(19)
Other debt securities [Member]
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, fair value, less than 12 months	1,966	0
Available-for-sale, gross unrealized losses, less than 12 months	(14)	0
Available-for-sale, fair value, 12 months or greater	953	947
Available-for-sale, gross unrealized losses, 12 months or greater	(30)	(33)
Securities available for sale	2,919	947
Available-for-sale, gross unrealized losses, total	(44)	(33)
Mortgage-backed securities (GSEs) [Member]
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, fair value, less than 12 months	14,209	13,208
Available-for-sale, gross unrealized losses, less than 12 months	(143)	(194)
Available-for-sale, fair value, 12 months or greater	11,222	19,988
Available-for-sale, gross unrealized losses, 12 months or greater	(210)	(232)
Securities available for sale	25,431	33,196
Available-for-sale, gross unrealized losses, total	$ (353)	$ (426)

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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