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Securities - Available-for-sale Securities in Continuous Loss Position (Details) - USD ($) $ in Thousands | Mar. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Debt Securities, Available-for-sale [Line Items] |  |
Available-for-sale, fair value, less than 12 months | $ 49,003 | $ 19,836
Available-for-sale, gross unrealized losses, less than 12 months | (748) | (253)
Available-for-sale, fair value, 12 months or greater | 8,515 | 27,449
Available-for-sale, gross unrealized losses, 12 months or greater | (305) | (281)
Securities available for sale | 57,518 | 47,285
Available-for-sale, gross unrealized losses, total | (1,053) | (534)
U.S. Government-sponsored enterprises (GSEs) [Member] |  |
Debt Securities, Available-for-sale [Line Items] |  |
Available-for-sale, fair value, less than 12 months | 696 | 2,972
Available-for-sale, gross unrealized losses, less than 12 months | (63) | (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 | 696 | 8,959
Available-for-sale, gross unrealized losses, total | (63) | (56)
Municipal securities [Member] |  |
Debt Securities, Available-for-sale [Line Items] |  |
Available-for-sale, fair value, less than 12 months | 16,370 | 3,656
Available-for-sale, gross unrealized losses, less than 12 months | (250) | (16)
Available-for-sale, fair value, 12 months or greater | 527 | 527
Available-for-sale, gross unrealized losses, 12 months or greater | (2) | (3)
Securities available for sale | 16,897 | 4,183
Available-for-sale, gross unrealized losses, total | (252) | (19)
Other debt securities [Member] |  |
Debt Securities, Available-for-sale [Line Items] |  |
Available-for-sale, fair value, less than 12 months | 1,970 | 0
Available-for-sale, gross unrealized losses, less than 12 months | (10) | 0
Available-for-sale, fair value, 12 months or greater | 863 | 947
Available-for-sale, gross unrealized losses, 12 months or greater | (118) | (33)
Securities available for sale | 2,833 | 947
Available-for-sale, gross unrealized losses, total | (128) | (33)
Mortgage-backed securities (GSEs) [Member] |  |
Debt Securities, Available-for-sale [Line Items] |  |
Available-for-sale, fair value, less than 12 months | 29,967 | 13,208
Available-for-sale, gross unrealized losses, less than 12 months | (425) | (194)
Available-for-sale, fair value, 12 months or greater | 7,125 | 19,988
Available-for-sale, gross unrealized losses, 12 months or greater | (185) | (232)
Securities available for sale | 37,092 | 33,196
Available-for-sale, gross unrealized losses, total | $ (610) | $ (426)

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