Investment Securities - Summary of Debt and Equity Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Securities available-for-sale:
Amortized Cost	$ 125,493	$ 97,851
Gross Unrealized Gain	2,719	184
Gross Unrealized Loss	(163)	(469)
Securities available-for-sale, at fair value	128,049	97,566
Securities held-to-maturity:
Amortized Cost	0	20,154
Gross Unrealized Gain		407
Gross Unrealized Loss		(81)
Fair Value		20,480
Pledged securities for collateral	111,200	99,300
Residential mortgage-backed securities
Securities available-for-sale:
Amortized Cost	71,680	38,793
Gross Unrealized Gain	1,515	96
Gross Unrealized Loss	(37)	(151)
Securities available-for-sale, at fair value	73,158	38,738
Securities held-to-maturity:
Amortized Cost		15,215
Gross Unrealized Gain		70
Gross Unrealized Loss		(81)
Fair Value		15,204
Residential collateralized mortgage obligations
Securities available-for-sale:
Amortized Cost	35,367	44,115
Gross Unrealized Gain	382	36
Gross Unrealized Loss	(103)	(257)
Securities available-for-sale, at fair value	35,646	43,894
SBA loan pool securities
Securities available-for-sale:
Amortized Cost	12,769	14,179
Gross Unrealized Gain	375	34
Gross Unrealized Loss	(23)	(61)
Securities available-for-sale, at fair value	13,121	14,152
Municipal bonds
Securities available-for-sale:
Amortized Cost	5,677	764
Gross Unrealized Gain	447	18
Gross Unrealized Loss	0	0
Securities available-for-sale, at fair value	$ 6,124	782
Securities held-to-maturity:
Amortized Cost		4,939
Gross Unrealized Gain		337
Gross Unrealized Loss		0
Fair Value		$ 5,276

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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