Long-Term Debt - Real Estate Facilities (Details) $ in Thousands	1 Months Ended		12 Months Ended
	May 31, 2024 USD ($)	Jun. 30, 2023 USD ($) property	Dec. 31, 2024 USD ($) property	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Jul. 31, 2024 USD ($)	Dec. 31, 2021 USD ($)	Sep. 30, 2021 USD ($)	Nov. 30, 2018 USD ($)
Long-term debt
Long-Term Debt			$ 1,516,593	$ 1,521,079
Payments of outstanding balance			63,885	0	$ 0
M & T Real Estate Facility
Long-term debt
Maximum borrowing capacity			$ 300,000	$ 300,000		$ 250,000
Commitment fee (as a percent)			0.20%	0.20%
Proceeds from issuance of debt			$ 55,600	$ 59,200
Remaining Available			57,390
Long-Term Debt			$ 169,756
M & T Real Estate Facility | SOFR
Long-term debt
Variable rate spread (as a percent)			2.30%	2.30%
M & T Real Estate Facility | Federal Funds Effective Rate
Long-term debt
Variable rate spread (as a percent)			1.80%	1.80%
M & T Real Estate Facility | Prime Rate
Long-term debt
Variable rate spread (as a percent)			1.30%	1.30%
M&T Real Estate Facility Relating to Separate Property
Long-term debt
Payments of outstanding balance			$ 46,500
Number of properties with associated secured borrowings | property			8
Real Estate Facilities
Long-term debt
Remaining Available			$ 57,390
Long-Term Debt			173,132	$ 166,604
First CIBC Real Estate Facility
Long-term debt
Long-Term Debt			$ 3,376
First CIBC Real Estate Facility | Secured Debt
Long-term debt
Maximum borrowing capacity									$ 21,500
Second CIBC Real Estate Facility
Long-term debt
Payments of outstanding balance		$ 7,400
Number of properties with associated secured borrowings | property		1
Second CIBC Real Estate Facility | Secured Debt
Long-term debt
Maximum borrowing capacity								$ 9,000
Third CIBC Real Estate Facility
Long-term debt
Payments of outstanding balance	$ 8,900
Third CIBC Real Estate Facility | Secured Debt
Long-term debt
Maximum borrowing capacity							$ 10,100