Note 17 - Accumulated Other Comprehensive Income (Tables)

6 Months Ended

Jun. 30, 2022

Notes Tables

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

(in thousands)	Three months ended June 30, 2022
	Unrealized Gains			Foreign			Change in Fair Value		Total
	(Losses) on			Currency			of Debt Attributable		Accumulated Other
	Available-for-Sale			Translation			to Instrument-Specific		Comprehensive
	Investments			Adjustments			Credit Risk		Income
Balance at March 31, 2022	$	(1,344	)	$	(3,286	)	$	35,244	$	30,614
Other comprehensive (loss) income arising during the period		(533	)		—			5,930		5,397
Amounts reclassified from accumulated other comprehensive income		6			—			—		6
Net current-period other comprehensive (loss) income		(527	)		—			5,930		5,403
Balance at June 30, 2022	$	(1,871	)	$	(3,286	)	$	41,174	$	36,017

(in thousands)	Three months ended June 30, 2021
	Unrealized Gains			Foreign			Change in Fair Value			Total
	(Losses) on			Currency			of Debt Attributable			Accumulated Other
	Available-for-Sale			Translation			to Instrument-Specific			Comprehensive
	Investments			Adjustments			Credit Risk			Income
Balance at March 31, 2021	$	157		$	(3,286	)	$	39,408		$	36,279
Other comprehensive loss arising during the period		(34	)		—			(3,813	)		(3,847	)
Amounts reclassified from accumulated other comprehensive income		2			—			—			2
Net current-period other comprehensive loss		(32	)		—			(3,813	)		(3,845	)
Balance at June 30, 2021	$	125		$	(3,286	)	$	35,595		$	32,434

(in thousands)	Six months ended June 30, 2022
	Unrealized Gains			Foreign			Change in Fair Value		Total
	(Losses) on			Currency			of Debt Attributable		Accumulated Other
	Available-for-Sale			Translation			to Instrument-Specific		Comprehensive
	Investments			Adjustments			Credit Risk		Income
Balance at January 1, 2022	$	(220	)	$	(3,286	)	$	34,285	$	30,779
Other comprehensive (loss) income arising during the period		(1,658	)		—			6,889		5,231
Amounts reclassified from accumulated other comprehensive income		7			—			—		7
Net current-period other comprehensive (loss) income		(1,651	)		—			6,889		5,238
Balance at June 30, 2022	$	(1,871	)	$	(3,286	)	$	41,174	$	36,017

(in thousands)	Six months ended June 30, 2021
	Unrealized Gains			Foreign			Change in Fair Value			Total
	(Losses) on			Currency			of Debt Attributable			Accumulated Other
	Available-for-Sale			Translation			to Instrument-Specific			Comprehensive
	Investments			Adjustments			Credit Risk			Income
Balance at January 1, 2021	$	216		$	(3,286	)	$	41,129		$	38,059
Other comprehensive loss arising during the period		(105	)		—			(5,534	)		(5,639	)
Amounts reclassified from accumulated other comprehensive income		14			—			—			14
Net current-period other comprehensive loss		(91	)		—			(5,534	)		(5,625	)
Balance at June 30, 2021	$	125		$	(3,286	)	$	35,595		$	32,434

Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]

(in thousands)	Three months ended June 30,						Six months ended June 30,
	2022			2021			2022			2021
Reclassification of accumulated other comprehensive income from unrealized gains (losses) on available-for-sale investments to:
Net realized gains	$	(6	)	$	(2	)	$	(7	)	$	(14	)
Other-than-temporary impairment loss		—			—			—			—
Loss before income tax benefit		(6	)		(2	)		(7	)		(14	)
Income tax benefit		—			—			—			—
Net (loss) income	$	(6	)	$	(2	)	$	(7	)	$	(14	)