Investment Securities - Other (Details)	3 Months Ended
Mar. 31, 2020 USD ($) security	Mar. 31, 2019 USD ($)	Dec. 31, 2019 USD ($) security
Investment Securities
Number of securities consisted in portfolio \| security	321		322
Number of securities in loss position \| security	46		128
Aggregate fair value of securities in loss position	$ 25,446,000		$ 81,018,000
Loss position for 12 months or longer	5,024,000		52,658,000
Aggregate unrealized loss included in accumulated other comprehensive income (loss)	396,000		$ 798,000
Proceeds from sale of available for sale debt securities	681,000	$ 0
Unrealized loss related to equity securities	$ 1,000
Unrealized gain related to equity securities		$ 1,000

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.

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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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Amount of accumulated unrealized loss on 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. Includes beneficial interest in securitized financial asset.

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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 unrealized gain on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Amount of unrealized loss on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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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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