Investment Securities Debt Securities- Continuous Loss Position (Details) $ in Thousands	Jun. 30, 2020 USD ($) investments	Dec. 31, 2019 USD ($) investments
Debt Securities, Available-for-sale [Line Items]
Debt Securities, temporarily impaired, Less than 12 Months, fair value	$ 8,303	$ 53,290
Debt Securities, temporarily impaired, less than 12 months, unrealized loss	96	397
Debt securities, temporarily impaired, 12 months or longer, fair value	0	5,060
Debt securities, temporarily impaired, 12 months or longer, unrealized loss	0	70
Debt securities, temporarily impaired, fair value	8,303	58,350
Debt securities, temporarily impaired, unrealized loss	$ 96	$ 467
Number of debt securities in loss positions \| investments	4	26
Residential federal agency MBS
Debt Securities, Available-for-sale [Line Items]
Debt Securities, temporarily impaired, Less than 12 Months, fair value	$ 5,348	$ 36,464
Debt Securities, temporarily impaired, less than 12 months, unrealized loss	51	263
Debt securities, temporarily impaired, 12 months or longer, fair value	0	5,060
Debt securities, temporarily impaired, 12 months or longer, unrealized loss	0	70
Debt securities, temporarily impaired, fair value	5,348	41,524
Debt securities, temporarily impaired, unrealized loss	$ 51	$ 333
Number of debt securities in loss positions \| investments	2	11
Taxable municipal securities
Debt Securities, Available-for-sale [Line Items]
Debt Securities, temporarily impaired, Less than 12 Months, fair value	$ 2,955	$ 16,826
Debt Securities, temporarily impaired, less than 12 months, unrealized loss	45	134
Debt securities, temporarily impaired, 12 months or longer, fair value	0	0
Debt securities, temporarily impaired, 12 months or longer, unrealized loss	0	0
Debt securities, temporarily impaired, fair value	2,955	16,826
Debt securities, temporarily impaired, unrealized loss	$ 45	$ 134
Number of debt securities in loss positions \| investments	2	15

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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