Investment Securities - Summary of Investment Security Carrying and Fair Value (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 273,126	$ 307,843
Gross Unrealized Gains	446	558
Gross Unrealized Losses	1,962	1,382
Fair Value	271,610	307,019
U.S. Treasury and government sponsored entities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	209,908	250,794
Gross Unrealized Gains	391	3
Gross Unrealized Losses	1,439	1,336
Fair Value	208,860	249,461
Municipal securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	9,089	14,395
Gross Unrealized Gains	17	72
Gross Unrealized Losses	22	46
Fair Value	9,084	14,421
Corporate bonds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	40,139	36,654
Gross Unrealized Gains	38	478
Gross Unrealized Losses	397	0
Fair Value	39,780	37,132
Collateralized loan obligations
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	13,990	6,000
Gross Unrealized Gains	0	5
Gross Unrealized Losses	104	0
Fair Value	$ 13,886	$ 6,005

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) 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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-SubTopic 10
-Section 50
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Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) 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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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

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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).

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