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Investment Securities - Gross Gains and Losses (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Debt Securities, Available-for-sale [Line Items]
Amortized cost	$ 238,704	$ 274,957
Gross unrealized gains	2,879	2,725
Gross unrealized losses	(49)	(243)
Fair value	241,534	277,439
Corporate bonds
Debt Securities, Available-for-sale [Line Items]
Amortized cost	10,000	10,000
Gross unrealized gains	58	12
Gross unrealized losses	0	0
Fair value	10,058	10,012
Agency bond securities
Debt Securities, Available-for-sale [Line Items]
Amortized cost	15,000	19,980
Gross unrealized gains	44	20
Gross unrealized losses	0	0
Fair value	15,044	20,000
Agency mortgage-backed securities
Debt Securities, Available-for-sale [Line Items]
Amortized cost	189,533	208,821
Gross unrealized gains	2,320	2,453
Gross unrealized losses	(49)	(241)
Fair value	191,804	211,033
Municipal bonds
Debt Securities, Available-for-sale [Line Items]
Amortized cost	4,275	4,342
Gross unrealized gains	143	2
Gross unrealized losses	0	(2)
Fair value	4,418	4,342
Asset-backed securities
Debt Securities, Available-for-sale [Line Items]
Amortized cost	19,896	31,814
Gross unrealized gains	314	238
Gross unrealized losses	0	0
Fair value	$ 20,210	$ 32,052

X

- Definition

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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