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Investment Securities - Available-For-Sale Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Debt Securities, Available-for-sale [Line Items]
Total	$ 37,219	$ 30,939
Gross Unrealized Gains	55	10
Gross Unrealized Losses	1	489
Fair Value	37,273	30,460
Trading securities	9,600	8,000
Mortgage-backed securities
Debt Securities, Available-for-sale [Line Items]
Total	133	164
Gross Unrealized Gains	5	10
Gross Unrealized Losses	0	0
Fair Value	138	174
Asset-backed securities
Debt Securities, Available-for-sale [Line Items]
Total	211	248
Gross Unrealized Gains	0	0
Gross Unrealized Losses	1	1
Fair Value	210	247
Municipal bonds
Debt Securities, Available-for-sale [Line Items]
Total	195	306
Gross Unrealized Gains	2	0
Gross Unrealized Losses	0	4
Fair Value	197	302
Mutual fund
Debt Securities, Available-for-sale [Line Items]
Total	27,680	25,221
Gross Unrealized Gains	48	0
Gross Unrealized Losses	0	484
Fair Value	27,728	24,737
Pooled investment fund
Debt Securities, Available-for-sale [Line Items]
Total	9,000	5,000
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Fair Value	$ 9,000	$ 5,000

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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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