XML 135 R119.htm IDEA: XBRL DOCUMENT v3.20.4
Quarterly Financial Data - Summarized Quarterly Financial Data (Detail) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2020
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Selected Quarterly Financial Information [Abstract]                      
Net interest income $ 105,853 $ 103,325 $ 104,569 $ 102,306 $ 107,020 $ 108,159 $ 111,057 $ 109,536 $ 416,053 $ 435,772 $ 349,045
Provision for loan losses 0 0 11,500 12,000 0 1,500 2,000 1,500 23,500 5,000 1,500
Net earnings $ 50,056 $ 47,492 $ 41,631 $ 37,980 $ 51,281 $ 50,423 $ 54,481 $ 51,642 $ 177,159 $ 207,827 $ 152,003
Basic earnings per common share $ 0.37 $ 0.35 $ 0.31 $ 0.27 $ 0.37 $ 0.36 $ 0.39 $ 0.37 $ 1.30 $ 1.48 $ 1.25
Diluted earnings per common share $ 0.37 $ 0.35 $ 0.31 $ 0.27 $ 0.37 $ 0.36 $ 0.39 $ 0.37 $ 1.30 $ 1.48 $ 1.24