Notes Payable - Schedule of Information Related to Lines of Credit (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Maximum amount outstanding	$ 631,101	$ 591,000
Average amount outstanding	$ 555,225	$ 541,635
Weighted average interest rate, during the period	6.94%	6.63%
Prime Rate [Member]
Debt Instrument [Line Items]
Prime interest rate, end of period	7.50%	8.50%