Joint Ventures - Unconsolidated JV - Busy Bee JV (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2020	Dec. 31, 2019
Investments
Notes receivable, net	$ 15,585		$ 15,585			$ 10,877
Summarized financial information
Property and equipment, net	27,117		27,117			20,846
Cash and cash equivalents	33,336	$ 106,039	33,336	$ 106,039		106,794
Other assets	73,001		73,001			65,866
Total assets	1,102,005		1,102,005			1,037,324
Debt, net	183,086		183,086			158,915
Other liabilities	87,514		87,514			72,035
Equity	588,515	542,650	588,515	542,650	$ 568,104	568,170	$ 520,910	$ 529,670
Total liabilities and equity	1,102,005		1,102,005			$ 1,037,324
Total revenue	72,239	36,082	113,545	54,655
Other operating expenses	5,106	4,946	12,175	11,862
Depreciation and amortization	4,124	3,018	7,978	6,092
Total expenses	41,489	24,975	77,256	44,874
Operating income	30,750	11,107	36,289	9,781
Interest expense	(3,854)	(3,390)	(7,525)	(6,734)
Other (expense) income, net	972	139	2,266	393
Total other income, net	1,574	14,142	513	13,721
Net income	$ 24,024	19,219	$ 26,981	17,884
Busy Bee JV (SJBB, LLC)
Investments
Ownership percentage	50.00%		50.00%			50.00%
Busy Bee JV (SJBB, LLC)
Summarized financial information
Property and equipment, net	$ 8,313		$ 8,313			$ 8,466
Cash and cash equivalents	537		537			227
Other assets	887		887			717
Total assets	9,737		9,737			9,410
Debt, net	6,394		6,394			6,532
Other liabilities	487		487			506
Equity	2,856		2,856			2,372
Total liabilities and equity	9,737		9,737			$ 9,410
Total revenue	4,806		7,598
Cost of revenue	3,779		6,026
Other operating expenses	555	43	1,017	49
Depreciation and amortization	116		231
Total expenses	4,450	43	7,274	49
Operating income	356	(43)	324	(49)
Interest expense	(44)	(11)	(97)	(16)
Other (expense) income, net	(218)		256
Total other income, net	(262)	(11)	159	(16)
Net income	$ 94	$ (54)	$ 483	$ (65)