Consolidated Balance Sheets (Parenthetical) - USD ($) shares in Thousands, $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Investments
Amortized Cost	$ 4,404,690	$ 3,282,585
Property, Plant and Equipment, Net
Accumulated depreciation	60,967	57,639
Credit Facility Borrowings
Unamortized deferred costs	$ 3,280	$ 763
Stockholders' Equity
Common Shares, par value (in dollars per share)	$ 0.015	$ 0.015
Common Shares, authorized (in shares)	233,333	233,333
Common Shares, issued (in shares)	112,423	98,394
Common Shares, outstanding (in shares)	112,423	98,394
Fixed maturities
Investments
Amortized Cost	$ 3,677,815	$ 2,967,225
Short-term investments
Investments
Amortized Cost	$ 726,875	$ 315,360

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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