Summary of Significant Accounting Policies - Earnings Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Summary of Significant Accounting Policies
Net Income (Loss)	$ 8,099	$ 7,835	$ 8,686	$ 4,044	$ 10,249	$ 23,442	$ 25,035	$ 18,219	$ 28,664	$ 76,945	$ 81,793
Weighted average common shares outstanding (in shares)	29,650	29,703	30,090	30,265	30,420	30,695	30,937	31,254
Total weighted average common shares outstanding and common stock equivalents (in shares)	29,650	29,703	30,090	30,265	30,420	30,695	30,937	31,254	29,925	30,823	31,550
Basic earnings per common share	$ 0.27	$ 0.26	$ 0.29	$ 0.13	$ 0.34	$ 0.76	$ 0.81	$ 0.58	$ 0.96	$ 2.50	$ 2.59
Diluted earnings per common share	$ 0.27	$ 0.26	$ 0.29	$ 0.13	$ 0.34	$ 0.76	$ 0.81	$ 0.58	$ 0.96	$ 2.50	$ 2.59
Dividend Payout ratio									91.70%	35.20%	32.40%