Accumulated Other Comprehensive Loss - Summary of the Tax Effects Allocated to Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accumulated Other Comprehensive Loss
Reclassification adjustment for net loss (gain) included in earnings before-tax amount	$ 405	$ (4)	$ (69)
Reclassification adjustment for net loss (gain) included in earnings, Tax (expense) or benefit	(102)	1
Reclassification adjustment for net loss (gain) included in earnings net-of-tax amount	303	(3)
Total before income taxes	1,450	(1,523)	455
Other comprehensive loss, Tax (expense) or benefit	(367)	386	(116)
Total other comprehensive income (loss), net of tax	1,083	(1,137)	339
Accumulated Other Comprehensive (Loss) Income
Accumulated Other Comprehensive Loss
Unrealized loss on investments, Net-of-tax amount	780	(1,134)
Reclassification adjustment for net loss (gain) included in earnings net-of-tax amount	303	(3)
Total other comprehensive income (loss), net of tax	1,083	(1,137)	$ 339
Unrealized (Loss) Gain on Available-for-Sale Securities
Accumulated Other Comprehensive Loss
Unrealized loss on investments, Net-of-tax amount	(12)	103
Reclassification adjustment for net loss (gain) included in earnings net-of-tax amount	(11)	(3)
Total other comprehensive income (loss), net of tax	(23)	100
Unrealized (Loss) Gain Cash Flow Hedges, Interest rate swap
Accumulated Other Comprehensive Loss
Unrealized loss on investments, Net-of-tax amount	792	(1,237)
Reclassification adjustment for net loss (gain) included in earnings net-of-tax amount	314
Total other comprehensive income (loss), net of tax	1,106	(1,237)
Unrealized (Loss) Gain Cash Flow Hedges, Interest rate swap | Interest rate swaps
Accumulated Other Comprehensive Loss
Unrealized gain (loss) on investments, Before-tax amount	848	(836)
Unrealized gain (loss) on investments, Tax (expense) or benefit	(215)	212
Unrealized loss on investments, Net-of-tax amount	633	(624)
Unrealized (Loss) Gain Cash Flow Hedges, Interest rate swap | Interest rate swap - unconsolidated joint venture
Accumulated Other Comprehensive Loss
Unrealized gain (loss) on investments, Before-tax amount	213	(821)
Unrealized gain (loss) on investments, Tax (expense) or benefit	(54)	208
Unrealized loss on investments, Net-of-tax amount	159	(613)
Unrestricted available-for-sale, Debt securities | Unrealized (Loss) Gain on Available-for-Sale Securities
Accumulated Other Comprehensive Loss
Unrealized gain (loss) on investments, Before-tax amount	(16)	130
Unrealized gain (loss) on investments, Tax (expense) or benefit	4	(33)
Unrealized loss on investments, Net-of-tax amount	$ (12)	97
Restricted | Unrealized (Loss) Gain on Available-for-Sale Securities
Accumulated Other Comprehensive Loss
Unrealized gain (loss) on investments, Before-tax amount		8
Unrealized gain (loss) on investments, Tax (expense) or benefit		(2)
Unrealized loss on investments, Net-of-tax amount		$ 6