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Schedule I - Condensed Financial Information of the Parent (Condensed Statements of Cash Flows) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Operating Activities |  |
Net cash provided by operating activities | $ 52,784 | $ 54,622
Investing Activities |  |
Expenditures for property, plant and equipment | (24,664) | (20,930)
Net cash used for investing activities | (20,262) | (18,387)
Financing Activities |  |
Purchase of treasury shares | (3,010) | (1,294)
Cash dividends paid | (5,132) | (4,578)
Other | (3) | 23
Net cash provided by (used for) financing activities | 5,113 | (52,578)
Cash and Cash Equivalents |  |
Total increase (decrease) for the year | 37,635 | (16,343)
Balance at the beginning of the year | 85,257 | 101,600
Balance at the end of the year | 122,892 | 85,257
Parent Company |  |
Operating Activities |  |
Net income | 39,632 | 34,785
Equity in earnings of subsidiaries | 41,610 | 40,681
Parent company only net loss | (1,978) | (5,896)
Net changes related to operating activities | 3,671 | (5,496)
Net cash provided by operating activities | 1,693 | (11,392)
Investing Activities |  |
Expenditures for property, plant and equipment | 0 | (12)
Net cash used for investing activities | 0 | (12)
Financing Activities |  |
Dividends received from subsidiaries | 42,000 | 8,000
Notes payable to Bellaire | (350) | (551)
Purchase of treasury shares | (3,010) | (1,294)
Cash dividends paid | (5,132) | (4,578)
Other | (4) | 0
Net cash provided by (used for) financing activities | 33,504 | 1,577
Cash and Cash Equivalents |  |
Total increase (decrease) for the year | 35,197 | (9,827)
Balance at the beginning of the year | 84,819 | 94,646
Balance at the end of the year | $ 120,016 | $ 84,819

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