Common Stock and Other Equity Related Transactions - ATM Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Class of Stock
Shares in common stock sold (in shares)	1,660,290	0	1,010,472
Total gross proceeds	$ 140,254	$ 0	$ 59,319
Commissions paid to sales agents	$ 2,251	$ 673	$ 1,347
Private Placement | Common Stock
Class of Stock
Shares in common stock sold (in shares)	1,660,290	0	1,010,472
Weighted average price (usd per share)	$ 84.48	$ 0	$ 58.71
Total gross proceeds	$ 140,254	$ 0	$ 59,319
Commissions paid to sales agents	$ 1,816	$ 0	$ 771