Investment Securities - Summary of Investment Security Carrying and Fair Value (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 245,871	$ 274,788
Gross Unrealized Gains	1,956	1,444
Gross Unrealized Losses	(194)	(94)
Fair Value	247,633	276,138
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	10,000	0
Gross Unrealized Gains	0
Gross Unrealized Losses	0
Fair Value	10,000
U.S. Treasury and government sponsored entities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	173,318	210,756
Gross Unrealized Gains	1,330	1,133
Gross Unrealized Losses	(47)	(37)
Fair Value	174,601	211,852
Municipal securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	820	3,288
Gross Unrealized Gains	36	9
Gross Unrealized Losses	0	0
Fair Value	856	3,297
Corporate bonds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	29,951	34,764
Gross Unrealized Gains	546	302
Gross Unrealized Losses	(5)	0
Fair Value	30,492	35,066
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	10,000
Gross Unrealized Gains	0
Gross Unrealized Losses	0
Fair Value	10,000
Collateralized loan obligations
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	41,782	25,980
Gross Unrealized Gains	44	0
Gross Unrealized Losses	(142)	(57)
Fair Value	$ 41,684	$ 25,923

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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