Statement of Cash Flows - Noncash Investing and Financing Activities	12 Months Ended
Dec. 31, 2020
Supplemental Cash Flow Elements [Abstract]
Statement of Cash Flows - Noncash Investing and Financing Activities	25. Statement of Cash Flows – Noncash Investing and Financing Activities Noncash investing activities included liabilities (accounts payable) incurred for property, plant and equipment expenditures of approximately $17,946,000, $16,890,000, and $15,119,000 that were unpaid at December 31, 2020, 2019 and 2018, respectively. Noncash financing activities included 58,282 shares of Company common stock (valued at $5,485,000), 96,095 shares of Company common stock (valued at $8,893,000) and 99,497 shares of Company common stock (valued at $7,931,000) issued in connection with the Company’s stock award plan in 2020, 2019 and 2018, respectively.

The entire disclosure for supplemental cash flow activities, including cash, noncash, and part noncash transactions, for the period. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-URI http://asc.fasb.org/topic&trid=2134446

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