Investment Securities - Schedule of Amortized Cost and Estimated Fair value of Securities Available-for-Sale (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Securities available-for-sale
Securities available-for-sale, Less than 1 year, Amortized Cost	$ 11,999	$ 17,094
Securities available-for-sale, 1 to 5 years, Amortized Cost	45,063	55,924
Securities available-for-sale, 5 to 10 years, Amortized Cost	20,136	23,597
Securities available-for-sale, After 10 years, Amortized Cost	35,137	27,305
Securities available-for-sale, before Residential mortgage-backed securities	112,335	123,920
Securities available-for-sale, Residential mortgage-backed securities	233,436	232,835
Securities available-for-sale
Securities available-for-sale, Less than 1 year, Fair Value	12,031	17,092
Securities available-for-sale, 1 to 5 years, Fair Value	46,091	56,000
Securities available-for-sale, 5 to 10 years, Fair Value	20,692	23,733
Securities available-for-sale, After 10 years, Fair Value	36,438	26,872
Securities available-for-sale, before Residential mortgage-backed securities Fair Value	115,252	123,697
Securities available-for-sale, Fair Value	236,143	228,630
Residential Mortgage-Backed Securities
Securities available-for-sale
Securities available-for-sale, Residential mortgage-backed securities	121,101	108,915
Securities available-for-sale
Securities available-for-sale, Fair Value	$ 120,891	$ 104,933

Available for sale debt securities amortized cost basis before residential mortgage-backed securities.

No definition available.

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- Definition

Available for sale securities before residential mortgage backed securities.

+ References

No definition available.

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- Definition

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

+ References

No definition available.

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- Definition

This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

+ References

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- Definition

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in sixth fiscal year through tenth fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.

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- Definition

Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in sixth through tenth fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.

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- Definition

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in second through fifth fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.

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Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in second through fifth fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing after tenth fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.

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Fair value of investment in debt security, measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing after tenth fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.

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Amortized cost of investment in debt security measured at fair value with change recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.

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Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), maturing in next fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.

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