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Note 9 - Investments in Marketable Securities (Tables)

3 Months Ended

Mar. 31, 2025

Notes Tables

Marketable Securities [Table Text Block]

		March 31, 2025								December 31, 2024
		Book Value				Fair Value				Book Value				Fair Value
Investments available for sale:
Marketable equity securities		$	30,176			$	152,785			$	30,176			$	140,064
Restricted investments available for sale:
Marketable equity securities			18,779				21,697				18,534				23,190
Corporate debt securities			58,006				57,223				58,927				57,471
Asset-based securities			15,306				14,263				15,593				14,410
U.S. Treasury securities			46,814				44,952				46,811				44,186
State and municipal securities			3,762				3,729				3,787				3,737
		$	172,843			$	294,649			$	173,828				283,058

Schedule of Available-for-Sale Securities Reconciliation [Table Text Block]

		March 31, 2025												December 31, 2024
		Shares				Cost				Fair Value				Shares				Cost				Fair Value
NHI Common Stock			1,630,642			$	24,734			$	120,439				1,630,642			$	24,734			$	113,003

Investments Classified by Contractual Maturity Date [Table Text Block]

		March 31, 2025								December 31, 2024
		Cost				Fair Value				Cost				Fair Value
Maturities:
Within 1 year		$	24,655			$	24,424			$	25,707			$	25,317
1 to 5 years			66,455				64,280				66,117				63,379
6 to 10 years			32,208				31,019				32,648				30,606
Over 10 years			570				444				646				502
		$	123,888			$	120,167			$	125,118			$	119,804

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