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Securities (Narrative) (Details) | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2020 USD ($) security | Jun. 30, 2020 USD ($) security | Dec. 31, 2019 USD ($) security
Unrealized Loss |  |  |
Number of available-for-sale debt securities in an unrealized loss position | 41 | 41 | 101
Collateralized loan obligations (“CLOs”) |  |  |
Unrealized Loss |  |  |
Number of available-for-sale debt securities in an unrealized loss position | 3 | 3 | 3
U.S. government agency and U.S. government sponsored enterprise mortgage-backed securities |  |  |
Unrealized Loss |  |  |
Number of available-for-sale debt securities in an unrealized loss position | 19 | 19 | 57
Asset-backed securities |  |  |
Unrealized Loss |  |  |
Number of available-for-sale debt securities in an unrealized loss position | 4 | 4 |
U.S. government agency and U.S. government-sponsored enterprise debt securities |  |  |
Unrealized Loss |  |  |
Number of available-for-sale debt securities in an unrealized loss position |  |  | 14
AFS debt securities |  |  |
Unrealized Loss |  |  |
AFS debt securities, accrued interest | $ | $ 17,800,000 | $ 17,800,000 |
OTTI credit losses | $ |  | 0 | $ 0
Provision for credit losses | $ | $ 0 | $ 0 |

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