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Long-term Debt (Narrative) (Details) - USD ($) | Mar. 31, 2020 | Dec. 31, 2019 | Mar. 31, 2019
--- | --- | --- | ---
Debt Instrument [Line Items] |  |  |
Long-term debt outstanding | $ 23,364,000 | $ 32,903,000 |
FHLB prepayment | 9,500,000 |  |
FHLB prepayment penalty | 63,000 |  | $ 0
FHLB [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Letter of credit outstanding, amount | $ 169,636,000 | $ 169,051,000 | $ 169,051,000

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- Definition Including both current and noncurrent portions, Federal Home Loan Bank borrowings initially due beyond one year or beyond the normal operating cycle if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64702-112823 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822 + Details
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