Notes Payable (Tables)

12 Months Ended

Dec. 31, 2022

Debt Disclosure [Abstract]

Components of Notes Payable

Notes payable consists of the following:

(in thousands)	December 31,
	2022			2021
Unsecured revolving lines of credit	$	313,775		$	266,500
3.84% Series C senior notes due in 2022		—			60,000
2.35% Series E senior notes due in 2026		60,000			60,000
2.57% Series D senior notes due in 2028		40,000			40,000
		413,775			426,500
Unamortized debt issuance cost		(33	)		(49	)
	$	413,742		$	426,451

Schedule of Future Minimum Payments under Unsecured Revolving Lines of Credit 3.84% Senior Notes, 2.35% Senior Notes and 2.57% Senior Notes

As of December 31, 2022, the future minimum payments under the unsecured revolving lines of credit, 2.35% Series E senior notes and 2.57% Series D senior notes due in 2026 and 2028, respectively, are as follows:

(in thousands)
Year Ended December 31,
2023	$	—
2024		—
2025		—
2026		60,000
2027		313,775
Thereafter		40,000
	$	413,775

Schedule of Information Related to Lines of Credit

The following information relates to the lines of credit for each of the following periods:

(dollar amounts in thousands)	Year Ended December 31,
	2022			2021
Maximum amount outstanding	$	328,752		$	389,740
Average amount outstanding	$	276,399		$	239,134
Weighted average interest rate, during the period		3.29	%		2.07	%
Prime interest rate, end of period		7.50	%		3.25	%