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Schedule II. Condensed Financial Information of Registrant - Condensed Statements of Cash Flows (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Operating activities |  |  |
Net cash provided by operating activities | $ 28,194 | $ 37,979 | $ 63,398
Investing activities |  |  |
Purchases of property and equipment | (2,089) | (1,296) | (921)
Net cash provided by investing activities | 75,426 | 70,959 | 43,371
Financing activities |  |  |
Finance lease purchases | (58) | (44) | (50)
Purchase of treasury stock | (12,388) |  |
Dividends to shareholders | (100,427) | (99,929) | (88,775)
Net cash used in financing activities | (112,873) | (99,973) | (88,825)
Change in cash and cash equivalents | (9,253) | 8,965 | 17,944
Cash and cash equivalents at beginning of year | 70,722 | 61,757 | 43,813
Cash and cash equivalents at end of year | 61,469 | 70,722 | 61,757
Parent Company [Member] |  |  |
Operating activities |  |  |
Net cash provided by operating activities | 6,121 | 6,622 | 6,012
Investing activities |  |  |
Purchases of investments | (31,909) | (87,289) | (10,982)
Proceeds from sales of investments | 75,950 | 28,780 | 18,970
Purchases of property and equipment | (1,903) | (1,277) | (764)
Dividends from subsidiary | 77,700 | 148,400 | 88,600
Net cash provided by investing activities | 119,838 | 88,614 | 95,824
Financing activities |  |  |
Finance lease purchases | (58) | (44) | (50)
Purchase of treasury stock | (12,388) |  |
Dividends to shareholders | (100,427) | (99,929) | (88,775)
Net cash used in financing activities | (112,873) | (99,973) | (88,825)
Change in cash and cash equivalents | 13,086 | (4,737) | 13,011
Cash and cash equivalents at beginning of year | 18,825 | 23,562 | 10,551
Cash and cash equivalents at end of year | $ 31,911 | $ 18,825 | $ 23,562

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- Definition Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including, but not limited to, disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 8 -URI https://asc.fasb.org/extlink&oid=126999549&loc=SL98516268-108586 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3521-108585 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3044-108585 + Details
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