Lease Agreements - Company as Lessor (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($) building
Lessor, Lease, Description [Line Items]
Number of commercial buildings under lease agreements | building	1
Future Minimum Rent
2020	$ 746,150
2021	17,986
2022	14,482
2023	13,302
2024	11,542
Thereafter	26,967
Operating leases	830,429
Future Minimum Rent (840)
2019	16,386
2020	15,842
2021	14,412
2022	13,324
2023	12,181
Thereafter	33,034
Total future minimum payments receivable	$ 105,179
Minimum
Lessor, Lease, Description [Line Items]
Short-term lease terms	9 months
Commercial lease terms	5 years
Maximum
Lessor, Lease, Description [Line Items]
Short-term lease terms	12 months
Commercial lease terms	20 years