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Derivative Instruments (Narrative) (Details) - USD ($) | 9 Months Ended |
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Dec. 31, 2019
Interest Rate Swap [Member] |  |  |
Derivative [Line Items] |  |  |
Notional amount | $ 32,815,000 |  | $ 12,039,000
Fair value, Derivative assets | 2,069,000 |  | 12,000
Posted cash collateral | 2,392,000 |  |
Net gains (losses) recognized in earnings | 0 | $ 0 |
Interest Rate Commitments [Member] |  |  |
Derivative [Line Items] |  |  |
Fair value, Derivative assets | 21,703,000 |  | 3,104,000
Notional amount | 923,043,000 |  | 297,454,000
Interest Rate Lock Commitments [Member] |  |  |
Derivative [Line Items] |  |  |
Notional amount | 923,043,000 |  | 297,454,000
Fair value, Derivative assets | $ 21,703,000 |  | 3,104,000
Interest Rate Lock Commitments [Member] | Minimum [Member] |  |  |
Derivative [Line Items] |  |  |
Commitments period | 30 days |  |
Interest Rate Lock Commitments [Member] | Maximum [Member] |  |  |
Derivative [Line Items] |  |  |
Commitments period | 60 days |  |
TBA Mortgage-Back Securities [Member] |  |  |
Derivative [Line Items] |  |  |
Notional amount | $ 675,000,000 |  | 225,500,000
Posted cash collateral | 2,192,000 |  |
Notional amount | 675,000,000 |  | 225,500,000
Fair value | (2,070,000) |  | $ (350,000)
CF Bank [Member] |  |  |
Derivative [Line Items] |  |  |
Pledged, collateral derivatives | $ 2,451,000 |  |

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- Definition Nominal or face amount used to calculate payments on the derivative asset. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5579245-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5580258-113959 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5579245-113959 + Details
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