Quarterly report pursuant to Section 13 or 15(d)

Summary of Changes in Stockholders Equity (Parenthetical) (Detail)

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Summary of Changes in Stockholders Equity (Parenthetical) (Detail) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Equity [Abstract]    
Dividends paid to stockholders, per share $ 0.36 $ 0.34
Cumulative effect of change in accounting principle, taxes   $ 6,054
Declaration Date Feb. 21, 2020 Feb. 22, 2019
Record Date Mar. 06, 2020 Mar. 08, 2019
Payable Date Mar. 20, 2020 Mar. 22, 2019
Amount per Share of Common Stock $ 0.36 $ 0.34
Total $ 42,567 $ 39,905