Per Share Data (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2023	Jun. 30, 2022
Basic Earnings per Share:
Net Income	$ 22,123	$ 20,807	$ 23,747	$ 9,067	$ 42,930	$ 32,814
Weighted Average Shares Outstanding (in shares)	29,573,042		29,483,848		29,540,425	29,443,673
Basic Earnings per Share (in dollars per share)	$ 0.75		$ 0.81		$ 1.45	$ 1.11
Diluted Earnings per Share:
Net Income	$ 22,123	$ 20,807	$ 23,747	$ 9,067	$ 42,930	$ 32,814
Weighted Average Shares Outstanding (in shares)	29,573,042		29,483,848		29,540,425	29,443,673
Potentially Dilutive Shares, Net (in shares)	0		0		0	0
Diluted Weighted Average Shares Outstanding (in shares)	29,573,042		29,483,848		29,540,425	29,443,673
Diluted Earnings per Share (in dollars per share)	$ 0.75		$ 0.81		$ 1.45	$ 1.11
Anti-dilutive securities excluded from computation of earnings per share (in shares)	0		0		0	0