Investment Securities - Other (Details)	3 Months Ended	6 Months Ended
Jun. 30, 2020 USD ($) security	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) security	Jun. 30, 2019 USD ($)	Dec. 31, 2019 USD ($) security
Investment Securities
Number of securities consisted in portfolio \| security	316		316		322
Number of securities in loss position \| security	14		14		128
Aggregate fair value of securities in loss position	$ 4,344,000		$ 4,344,000		$ 81,018,000
Loss position for 12 months or longer	2,973,000		2,973,000		52,658,000
Aggregate unrealized loss included in accumulated other comprehensive income (loss)	297,000		297,000		$ 798,000
Proceeds from sale of available for sale debt securities	808,000		1,490,000	$ 0
Gains realized on sales	$ 6,000	$ 0	$ 6,000

Number of securities in available for sale portfolio.

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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.

+ References

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Amount of realized gain on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position without allowance for credit loss.

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Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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Amount of cash inflow from sale of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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