Finance Receivables - Internal Credit Quality Rating (Details) $ in Thousands	Sep. 30, 2023 USD ($) tenant	Dec. 31, 2022 USD ($) tenant
Credit Quality Of Finance Receivables
Net investments in direct financing leases	$ 1,177,391	$ 782,594
Internally Assigned Grade1-3
Credit Quality Of Finance Receivables
Number of tenants (tenant) | tenant	19	19
Net investments in direct financing leases	$ 1,098,791	$ 664,761
Internally Assigned Grade 4
Credit Quality Of Finance Receivables
Number of tenants (tenant) | tenant	6	8
Net investments in direct financing leases	$ 78,600	$ 117,833
Internally Assigned Grade 5
Credit Quality Of Finance Receivables
Number of tenants (tenant) | tenant	0	0
Net investments in direct financing leases	$ 0	$ 0