Schedule II - Condensed Financial Information of Registrant - Statements of Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenue and Other Income
Revenue	$ 115,963	$ 103,488	$ 95,998
Other income	2,671	2,615	2,109
Expenses
Operating expenses	16,509	18,468	17,582
Interest expense	2,852	2,925	2,882
Total expenses	117,673	103,726	105,119
Income tax expense (benefit)	208	6	(913)
Net income (loss)	(1,094)	595	(7,822)
Other Comprehensive Income
Other comprehensive income (loss)	(3,022)	423	3,101
Parent Company
Revenue and Other Income
Revenue	18,852	13,010	11,788
Other income	2,900	483	167
Expenses
Operating expenses	12,736	14,459	14,433
Interest expense	2,852	2,925	2,880
Total expenses	15,588	17,384	17,313
Income (loss) before equity in earnings (losses) of subsidiaries and income tax expense (benefit)	3,264	(4,374)	(5,525)
Income tax expense (benefit)	156	(813)	30
Income (loss) before equity earnings (losses) of subsidiaries	3,108	(3,561)	(5,555)
Equity earnings (losses) in subsidiaries	(4,202)	4,156	(2,267)
Net income (loss)	(1,094)	595	(7,822)
Other Comprehensive Income
Other comprehensive income (loss)	(3,022)	423	3,101
Total Comprehensive income (loss)	(4,116)	1,018	(4,721)
Parent Company | Management fees from subsidiaries
Revenue and Other Income
Revenue	$ 15,952	$ 12,527	$ 11,621