Securities Held to Maturity - Held-to-maturity Securities in Unrealized Loss Positions (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Fair Value
Less than 12 Months	$ 1,716	$ 1,675
More than 12 Months	7,714	22,317
Total	9,430	23,992
Gross Unrealized Losses
Less than 12 Months	8	15
More than 12 Months	454	1,045
Total	462	1,060
U.S. Government Agencies
Fair Value
Less than 12 Months	0	0
More than 12 Months	0	1,982
Total	0	1,982
Gross Unrealized Losses
Less than 12 Months	0	0
More than 12 Months	0	18
Total	0	18
Mortgage-backed Securities
Fair Value
Less than 12 Months	1,716	8
More than 12 Months	3,140	15,205
Total	4,856	15,213
Gross Unrealized Losses
Less than 12 Months	8	1
More than 12 Months	29	298
Total	37	299
Corporate Bonds
Fair Value
Less than 12 Months	0	1,487
More than 12 Months	4,574	4,277
Total	4,574	5,764
Gross Unrealized Losses
Less than 12 Months	0	13
More than 12 Months	425	723
Total	425	736
State and Political Subdivisions
Fair Value
Less than 12 Months	0	180
More than 12 Months	0	853
Total	0	1,033
Gross Unrealized Losses
Less than 12 Months	0	1
More than 12 Months	0	6
Total	$ 0	$ 7

Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity), in continuous loss position for 12 months or longer.

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-Publisher FASB
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-Section 50
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Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity), in unrealized loss position.

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Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity), in continuous loss position for less than 12 months.

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