Per Share Data (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Basic Earnings per Share:
NET INCOME	$ 19,557	$ 12,472
Weighted Average Shares Outstanding (in shares)	26,510,001	26,663,604
Basic Earnings per Share (USD per share)	$ 0.74	$ 0.47
Diluted Earnings per Share:
NET INCOME	$ 19,557	$ 12,472
Weighted Average Shares Outstanding (in shares)	26,510,001	26,663,604
Potentially Dilutive Shares, Net (in shares)	0	0
Diluted Weighted Average Shares Outstanding (in shares)	26,510,001	26,663,604
Diluted Earnings per Share (USD per share)	$ 0.74	$ 0.47
Anti-dilutive securities excluded from computation of earnings per share (in shares)	0	0